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A023747
Plaindromes: numbers whose digits in base 5 are in nondecreasing order.
4
0, 1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 19, 24, 31, 32, 33, 34, 37, 38, 39, 43, 44, 49, 62, 63, 64, 68, 69, 74, 93, 94, 99, 124, 156, 157, 158, 159, 162, 163, 164, 168, 169, 174, 187, 188, 189, 193, 194, 199, 218, 219, 224, 249, 312, 313, 314, 318, 319
OFFSET
1,3
LINKS
MATHEMATICA
Select[Range[0, 319], LessEqual@@IntegerDigits[#, 5]&] (* Ray Chandler, Jan 06 2014 *)
CROSSREFS
Sequence in context: A032893 A032852 A031990 * A366976 A031998 A023759
KEYWORD
nonn,base,easy
EXTENSIONS
Change offset to 1 by Ray Chandler, Jan 06 2014
STATUS
approved