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 A308071 Numbers k such that k is the substring identical to the most significant digits of its base-8 representation. 3
 0, 1, 2, 3, 4, 5, 6, 7, 13663722656306465044, 13664030703642511032, 13707143454447524553, 13710552565235121771, 14336552505653142213, 14340267205650777016, 14340267205651006010, 15013125376232575510, 15013125401147630620, 10142740706726414575022612720 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Numbers k whose base-8 representation begins with the same digits as k itself. LINKS Scott R. Shannon, Table of n, a(n) for n = 1..500 EXAMPLE 13663722656306465044_10 = 1366372265630646504424_8, which also begins with '13663722656306465044'. PROG (PARI) isok(n) = my(vb=digits(n, 8), vd=digits(n)); vd == vector(#vd, k, vb[k]); \\ Michel Marcus, May 17 2019 CROSSREFS This is a subsequence of A228051. See A181929, A307254, A307255, A307256, A307257, A308070, A308072 for other bases. Sequence in context: A062945 A032551 A228051 * A030555 A100708 A222252 Adjacent sequences:  A308068 A308069 A308070 * A308072 A308073 A308074 KEYWORD nonn,base AUTHOR Scott R. Shannon, May 11 2019 STATUS approved

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Last modified August 11 09:29 EDT 2020. Contains 336422 sequences. (Running on oeis4.)