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A029458
Numbers k that divide the (right) concatenation of all numbers <= k written in base 13 (most significant digit on left).
1
1, 3, 9, 13, 15, 16, 39, 48, 65, 169, 208, 240, 377, 400, 507, 603, 624, 720, 1040, 1168, 1200, 1287, 1521, 1833, 1872, 2197, 2592, 2784, 3393, 3744, 4563, 5211, 5408, 6591, 7989, 8299, 11232, 13689, 16224, 16992, 18477, 19643, 19773, 24352, 28561, 37349
OFFSET
1,2
LINKS
MATHEMATICA
b = 13; c = {}; Select[Range[10^5], Divisible[FromDigits[c = Join[c, IntegerDigits[#, b]], b], #] &] (* Robert Price, Mar 11 2020 *)
KEYWORD
nonn,base
EXTENSIONS
More terms from David W. Wilson
STATUS
approved