A029453 Numbers k that divide the (right) concatenation of all numbers <= k written in base 8 (most significant digit on left).

1, 2, 4, 6, 7, 8, 12, 13, 14, 15, 16, 21, 24, 28, 32, 35, 39, 42, 48, 49, 56, 64, 70, 98, 106, 112, 128, 147, 164, 196, 224, 231, 256, 289, 392, 448, 490, 512, 545, 560, 608, 640, 665, 688, 784, 872, 889, 896, 980, 1024, 1064, 1120, 1280, 1520, 1526, 1568

Offset: 1

Author

Olivier Gérard

Keywords

• nonn
• base

Links

• Robert Price, Table of n, a(n) for n = 1..98

Crossrefs

Cf. A007094.

Cf. A029447-A029470, A029471-A029494, A029495-A029518, A029519-A029542, A061931-A061954, A061955-A061978.

Programs

Mathematica

b = 8; c = {}; Select[Range[10^5], Divisible[FromDigits[c = Join[c, IntegerDigits[#, b]], b], #] &] (* Robert Price, Mar 11 2020 *)