k=0, b=2, n=105263157894736842, 2n=210526315789473684


k=0, b=3, n=157894736842105263, 2n=315789473684210526


k=0, b=4, n=210526315789473684, 2n=421052631578947368


k=0, b=5, n=263157894736842105, 2n=526315789473684210


k=0, b=6, n=315789473684210526, 2n=631578947368421052


k=0, b=7, n=368421052631578947, 2n=736842105263157894


k=0, b=8, n=421052631578947368, 2n=842105263157894736


k=0, b=9, n=473684210526315789, 2n=947368421052631578


k=1, b=2, n=105263157894736842105263157894736842, 2n=210526315789473684210526315789473684


k=1, b=3, n=157894736842105263157894736842105263, 2n=315789473684210526315789473684210526


k=1, b=4, n=210526315789473684210526315789473684, 2n=421052631578947368421052631578947368


k=1, b=5, n=263157894736842105263157894736842105, 2n=526315789473684210526315789473684210


k=1, b=6, n=315789473684210526315789473684210526, 2n=631578947368421052631578947368421052


k=1, b=7, n=368421052631578947368421052631578947, 2n=736842105263157894736842105263157894


k=1, b=8, n=421052631578947368421052631578947368, 2n=842105263157894736842105263157894736


k=1, b=9, n=473684210526315789473684210526315789, 2n=947368421052631578947368421052631578


k=2, b=2, n=105263157894736842105263157894736842105263157894736842, 
2n=210526315789473684210526315789473684210526315789473684


k=2, b=3, n=157894736842105263157894736842105263157894736842105263, 
2n=315789473684210526315789473684210526315789473684210526


k=2, b=4, n=210526315789473684210526315789473684210526315789473684, 
2n=421052631578947368421052631578947368421052631578947368


k=2, b=5, n=263157894736842105263157894736842105263157894736842105, 
2n=526315789473684210526315789473684210526315789473684210


k=2, b=6, n=315789473684210526315789473684210526315789473684210526, 
2n=631578947368421052631578947368421052631578947368421052


k=2, b=7, n=368421052631578947368421052631578947368421052631578947, 
2n=736842105263157894736842105263157894736842105263157894


k=2, b=8, n=421052631578947368421052631578947368421052631578947368, 
2n=842105263157894736842105263157894736842105263157894736


k=2, b=9, n=473684210526315789473684210526315789473684210526315789, 
2n=947368421052631578947368421052631578947368421052631578


k=3, b=2, n=105263157894736842105263157894736842105263157894736842105263157894736842, 
2n=210526315789473684210526315789473684210526315789473684210526315789473684


k=3, b=3, n=157894736842105263157894736842105263157894736842105263157894736842105263, 
2n=315789473684210526315789473684210526315789473684210526315789473684210526


k=3, b=4, n=210526315789473684210526315789473684210526315789473684210526315789473684, 
2n=421052631578947368421052631578947368421052631578947368421052631578947368


k=3, b=5, n=263157894736842105263157894736842105263157894736842105263157894736842105, 
2n=526315789473684210526315789473684210526315789473684210526315789473684210


k=3, b=6, n=315789473684210526315789473684210526315789473684210526315789473684210526, 
2n=631578947368421052631578947368421052631578947368421052631578947368421052


k=3, b=7, n=368421052631578947368421052631578947368421052631578947368421052631578947, 
2n=736842105263157894736842105263157894736842105263157894736842105263157894


k=3, b=8, n=421052631578947368421052631578947368421052631578947368421052631578947368, 
2n=842105263157894736842105263157894736842105263157894736842105263157894736


k=3, b=9, n=473684210526315789473684210526315789473684210526315789473684210526315789, 
2n=947368421052631578947368421052631578947368421052631578947368421052631578

k=4 以上就不列了。