A308070
Numbers k such that k is the substring identical to the most significant digits of its base-7 representation.
Original entry on oeis.org
0, 1, 2, 3, 4, 5, 6, 102616333034, 102620103253, 103055445560, 206154633166, 206154633200, 212216263215, 212220033434, 315315450515, 321340554340, 424436332033, 424440102253, 430461435550, 430501403606, 533560623156, 533600556144
Offset: 1
102616333034_10 = 10261633303415_7, which also begins with '102616333034'.
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isok(n) = my(vb=digits(n, 7), vd=digits(n)); vd == vector(#vd, k, vb[k]); \\ Michel Marcus, May 17 2019
A308071
Numbers k such that k is the substring identical to the most significant digits of its base-8 representation.
Original entry on oeis.org
0, 1, 2, 3, 4, 5, 6, 7, 13663722656306465044, 13664030703642511032, 13707143454447524553, 13710552565235121771, 14336552505653142213, 14340267205650777016, 14340267205651006010, 15013125376232575510, 15013125401147630620, 10142740706726414575022612720
Offset: 1
13663722656306465044_10 = 1366372265630646504424_8, which also begins with '13663722656306465044'.
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isok(n) = my(vb=digits(n, 8), vd=digits(n)); vd == vector(#vd, k, vb[k]); \\ Michel Marcus, May 17 2019
A308072
Numbers k such that k is the substring identical to the most significant digits of its base-9 representation.
Original entry on oeis.org
0, 1, 2, 3, 4, 5, 6, 7, 8, 1066338786883726756382, 1066338787045067082685, 1066338805156287287066, 1066338805156287287067, 1066338805156287300050, 1066338805156301216066, 1066341132816741837214, 1070235882243468707818, 1070235882243470056412, 1070236076684636644063
Offset: 1
1066338786883726756382_10 = 10663387868837267563825_9, which also begins with '1066338786883726756382'.
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isok(n) = my(vb=digits(n, 9), vd=digits(n)); vd == vector(#vd, k, vb[k]); \\ Michel Marcus, May 17 2019
Showing 1-3 of 3 results.
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