A029461 Numbers k that divide the (right) concatenation of all numbers <= k written in base 16 (most significant digit on left).

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 83, 96, 100, 120, 122, 124, 128, 150, 160, 192, 200, 240, 256, 270, 285, 288, 300, 320, 342, 360, 384, 397, 400, 432, 450, 456, 474, 480, 512, 513, 540, 552, 570, 576, 600

Offset: 1

Author

Olivier Gérard

Keywords

• nonn
• base

Links

• Robert Price, Table of n, a(n) for n = 1..178

Crossrefs

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

Programs

Mathematica

b = 16; c = {}; Select[Range[10^5], Divisible[FromDigits[c = Join[c, IntegerDigits[#, b]], b], #] &] (* Robert Price, Mar 11 2020 *)