This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A023762 #16 Jan 06 2014 15:15:20 %S A023762 0,1,2,3,4,5,6,7,12,13,14,18,19,20,21,24,25,26,27,28,30,31,32,33,34, %T A023762 35,36,42,43,72,78,79,84,85,86,108,114,115,120,121,122,126,127,128, %U A023762 129,144,150,151,156,157,158,162,163,164,165,168,169,170,171,172 %N A023762 Nialpdromes: digits in base 6 are in nonincreasing order. %H A023762 Vincenzo Librandi, <a href="/A023762/b023762.txt">Table of n, a(n) for n = 1..1001</a> (adapted to the new offset from _Bruno Berselli_) %t A023762 Select[Range[0, 2000], Max[Differences[IntegerDigits[#, 6]]]<=0&] (* _Vincenzo Librandi_, Dec 26 2012 *) %t A023762 Select[Range[0,172],GreaterEqual@@IntegerDigits[#,6]&] (* _Ray Chandler_, Jan 06 2014 *) %K A023762 nonn,base,easy %O A023762 1,3 %A A023762 _Olivier Gérard_