A023757 Plaindromes: numbers whose digits in base 16 are in nondecreasing order.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79

Offset

1,3

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..6000

Eric Weisstein's World of Mathematics, Digit.

Eric Weisstein's World of Mathematics, Plaindrome.

Mathematica

Select[Range[0, 79], LessEqual@@IntegerDigits[#, 16]&] (* Ray Chandler, Jan 06 2014 *)

Crossrefs

Sequence in context: A023809 A046100 A337138 * A115105 A121176 A028261

Adjacent sequences: A023754 A023755 A023756 * A023758 A023759 A023760

Keyword

nonn,base,easy

Author

Olivier Gérard

Extensions

Change offset to 1 by Ray Chandler, Jan 06 2014

Status

approved