A134114 Powers of 8 written backwards and sorted.

1, 8, 46, 215, 6904, 86723, 441262, 2517902, 61277761, 827712431, 2954399858, 4281473701, 63767491786, 888318557945, 4011156408934, 23888027348153, 656017679474182, 8425863189971522, 48918490589341081, 278558570881511441

Offset

1,2

Links

Robert Israel, Table of n, a(n) for n = 1..2500

Maple

rev:= proc(n) local L, i; L:= convert(n, base, 10); add(L[-i]*10^(i-1), i=1..nops(L)) end proc:
sort(map(rev, [seq(8^i, i=0 .. floor(log[8](10^20)))])); # Robert Israel, Mar 05 2025

Mathematica

IntegerReverse[8^Range[0, 20]]//Sort (* Harvey P. Dale, Jul 19 2024 *)

Prog

(PARI) A134114_first(n, p=8, L=log(10)/log(p))=vecsort([A004086(p^k)|k<-[0..n\/L*L\1]])[1..n] \\ M. F. Hasler, Mar 27 2026

Crossrefs

Cf. A001018 (powers of 8), A004086 (digit reversal), A071586.

Sequence in context: A212673 A183392 A258593 * A071586 A027650 A172064

Adjacent sequences: A134111 A134112 A134113 * A134115 A134116 A134117

Keyword

base,easy,nonn

Author

Jonathan Vos Post, Oct 08 2007

Status

approved