A023767 Nialpdromes: digits in base 12 are in nonincreasing order.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 24, 25, 26, 36, 37, 38, 39, 48, 49, 50, 51, 52, 60, 61, 62, 63, 64, 65, 72, 73, 74, 75, 76, 77, 78, 84, 85, 86, 87, 88, 89, 90, 91, 96, 97, 98, 99, 100, 101, 102, 103, 104, 108, 109, 110, 111, 112, 113, 114, 115, 116

Offset: 1

Author

Olivier Gérard

Keywords

• nonn
• base
• easy

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Programs

Mathematica

Select[Range[0, 700], Max[Differences[IntegerDigits[#, 12]]]<=0&] (* Vincenzo Librandi, Dec 26 2012 *)
Select[Range[0,116],GreaterEqual@@IntegerDigits[#,12]&] (* Ray Chandler, Jan 06 2014 *)