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 A056960 #13 Aug 08 2024 07:25:15 %S A056960 0,1,2,3,4,5,6,7,8,9,10,1,12,23,34,45,56,67,78,89,100,111,2,13,24,35, %T A056960 46,57,68,79,90,101,112,3,14,25,36,47,58,69,80,91,102,113,4,15,26,37, %U A056960 48,59,70,81,92,103,114,5,16,27,38,49,60,71,82,93,104,115,6,17,28,39 %N A056960 Base 11 reversal of n (written in base 10). %H A056960 Robert Israel, <a href="/A056960/b056960.txt">Table of n, a(n) for n = 0..10000</a> %p A056960 f:= proc(n) local L,i; %p A056960 L:= convert(n,base,11); %p A056960 add(L[-i]*11^(i-1),i=1..nops(L)) %p A056960 end proc: %p A056960 map(f, [$0..100]); # _Robert Israel_, Dec 20 2018 %t A056960 IntegerReverse[Range[0, 100], 11] (* _Paolo Xausa_, Aug 08 2024 *) %o A056960 (PARI) a(n) = fromdigits(Vecrev(digits(n, 11)), 11); \\ _Michel Marcus_, Dec 20 2018 %Y A056960 Cf. A004086, A030101-A030108, A056960-A056963. %K A056960 base,nonn,look %O A056960 0,3 %A A056960 _Henry Bottomley_, Jul 18 2000