A308070 -id:A308070 - cp's OEIS frontend

A308071 Numbers k such that k is the substring identical to the most significant digits of its base-8 representation.

0, 1, 2, 3, 4, 5, 6, 7, 13663722656306465044, 13664030703642511032, 13707143454447524553, 13710552565235121771, 14336552505653142213, 14340267205650777016, 14340267205651006010, 15013125376232575510, 15013125401147630620, 10142740706726414575022612720

Offset: 1

Scott R. Shannon, May 11 2019

Numbers k whose base-8 representation begins with the same digits as k itself.

			13663722656306465044_10 = 1366372265630646504424_8, which also begins with '13663722656306465044'.

Scott R. Shannon, Table of n, a(n) for n = 1..500

This is a subsequence of A228051.

See A181929, A307254, A307255, A307256, A307257, A308070, A308072 for other bases.

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

Scott R. Shannon, May 11 2019

Numbers k whose base-9 representation begins with the same digits as k itself.

			1066338786883726756382_10 = 10663387868837267563825_9, which also begins with '1066338786883726756382'.

Scott R. Shannon, Table of n, a(n) for n = 1..500

This is a subsequence of A228052.

See A181929, A307254, A307255, A307256, A307257, A308070, A308071 for other bases.

isok(n) = my(vb=digits(n, 9), vd=digits(n)); vd == vector(#vd, k, vb[k]); \\ Michel Marcus, May 17 2019

cp's OEIS Frontend

A308071 Numbers k such that k is the substring identical to the most significant digits of its base-8 representation.

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