A023793 - OEIS

A023793

Katadromes: digits in base 12 are in strict descending order.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 24, 25, 36, 37, 38, 48, 49, 50, 51, 60, 61, 62, 63, 64, 72, 73, 74, 75, 76, 77, 84, 85, 86, 87, 88, 89, 90, 96, 97, 98, 99, 100, 101, 102, 103, 108, 109, 110, 111, 112, 113, 114, 115, 116, 120, 121, 122, 123, 124, 125

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,3

LINKS

Sean A. Irvine, Table of n, a(n) for n = 1..4095

MATHEMATICA

Select[Range[0, 150], AllTrue[Differences[IntegerDigits[#, 12]], #<0&]&] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Oct 18 2020 *)

CROSSREFS

Sequence in context: A032981 A136332 A023766 * A032947 A257738 A039210

Adjacent sequences: A023790 A023791 A023792 * A023794 A023795 A023796

KEYWORD

nonn,base,fini,full,easy

AUTHOR

Olivier Gérard

STATUS

approved