A023752 Plaindromes: numbers whose digits in base 11 are in nondecreasing order.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 24, 25, 26, 27, 28, 29, 30, 31, 32, 36, 37, 38, 39, 40, 41, 42, 43, 48, 49, 50, 51, 52, 53, 54, 60, 61, 62, 63, 64, 65, 72, 73, 74, 75, 76, 84, 85, 86, 87, 96, 97, 98, 108, 109, 120

Offset

1,3

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

Select[Range[0, 250], And@@NonNegative/@Differences[IntegerDigits[#, 11]]&] (* Harvey P. Dale, Oct 20 2011 *)
Select[Range[0, 120], LessEqual@@IntegerDigits[#, 11]&] (* Ray Chandler, Jan 06 2014 *)

Crossrefs

Cf. A023746-A023757. - Omar E. Pol, Oct 20 2011

Sequence in context: A010784 A052081 A031995 * A048737 A122260 A122254

Adjacent sequences: A023749 A023750 A023751 * A023753 A023754 A023755

Keyword

nonn,base,easy

Author

Olivier Gérard

Extensions

Change offset to 1 by Ray Chandler, Jan 06 2014

Status

approved