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

Author

Olivier Gérard

Keywords

• nonn
• base
• easy

Links

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

Crossrefs

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

Programs

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 *)

Extensions

Change offset to 1 by Ray Chandler, Jan 06 2014