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A023759
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Nialpdromes: digits in base 3 are in nonincreasing order.
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6
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0, 1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 18, 21, 22, 24, 25, 26, 27, 36, 39, 40, 54, 63, 66, 67, 72, 75, 76, 78, 79, 80, 81, 108, 117, 120, 121, 162, 189, 198, 201, 202, 216, 225, 228, 229, 234, 237, 238, 240, 241, 242, 243, 324, 351, 360, 363, 364, 486, 567, 594
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graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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LINKS
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MATHEMATICA
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Select[Range[0, 4000], Max[Differences[IntegerDigits[#, 3]]] <= 0 &] (* Vincenzo Librandi, Dec 26 2012 *)
Select[Range[0, 600], GreaterEqual@@IntegerDigits[#, 3]&] (* Ray Chandler, Jan 06 2014 *)
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PROG
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CROSSREFS
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KEYWORD
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nonn,base,easy
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AUTHOR
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STATUS
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approved
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