OFFSET
1,3
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
Eric Weisstein's World of Mathematics, Digit.
Eric Weisstein's World of Mathematics, Nialpdrome.
MATHEMATICA
Select[Range[0, 500], Max[Differences[IntegerDigits[#, 16]]]<=0&] (* Vincenzo Librandi, Dec 27 2012 *)
Select[Range[0, 145], GreaterEqual@@IntegerDigits[#, 16]&] (* Ray Chandler, Jan 06 2014 *)
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
STATUS
approved