A023754 Plaindromes: numbers whose digits in base 13 are in nondecreasing order.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 56, 57, 58, 59, 60, 61, 62, 63, 64, 70, 71, 72, 73, 74, 75, 76, 77, 84, 85, 86, 87, 88, 89, 90

Offset

1,3

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..9000

Mathematica

Select[Range[0, 90], LessEqual@@IntegerDigits[#, 13]&] (* Ray Chandler, Jan 06 2014 *)

Crossrefs

Sequence in context: A113763 A322847 A302492 * A371968 A335467 A256474

Adjacent sequences: A023751 A023752 A023753 * A023755 A023756 A023757

Keyword

nonn,base,easy

Author

Olivier Gérard

Extensions

Change offset to 1 by Ray Chandler, Jan 06 2014

Status

approved