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A023752
Plaindromes: numbers whose digits in base 11 are in nondecreasing order.
3
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
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
KEYWORD
nonn,base,easy
EXTENSIONS
Change offset to 1 by Ray Chandler, Jan 06 2014
STATUS
approved