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A023770
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Nialpdromes: digits in base 15 are in nonincreasing order.
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1
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 30, 31, 32, 45, 46, 47, 48, 60, 61, 62, 63, 64, 75, 76, 77, 78, 79, 80, 90, 91, 92, 93, 94, 95, 96, 105, 106, 107, 108, 109, 110, 111, 112, 120, 121, 122, 123, 124, 125, 126, 127, 128, 135, 136, 137
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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, 1000], Max[Differences[IntegerDigits[#, 15]]]<=0&] (* Vincenzo Librandi, Dec 27 2012 *)
Select[Range[0, 137], GreaterEqual@@IntegerDigits[#, 15]&] (* Ray Chandler, Jan 06 2014 *)
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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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