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 A056961 #8 Aug 08 2024 07:31:59 %S A056961 0,1,2,3,4,5,6,7,8,9,10,11,1,13,25,37,49,61,73,85,97,109,121,133,2,14, %T A056961 26,38,50,62,74,86,98,110,122,134,3,15,27,39,51,63,75,87,99,111,123, %U A056961 135,4,16,28,40,52,64,76,88,100,112,124,136,5,17,29,41,53,65,77,89,101 %N A056961 Base 12 reversal of n (written in base 10). %H A056961 Paolo Xausa, <a href="/A056961/b056961.txt">Table of n, a(n) for n = 0..10000</a> %t A056961 IntegerReverse[Range[0, 100], 12] (* _Paolo Xausa_, Aug 08 2024 *) %Y A056961 Cf. A004086, A030101-A030108, A056960-A056963. %K A056961 base,nonn %O A056961 0,3 %A A056961 _Henry Bottomley_, Jul 18 2000