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 A055963 #8 Aug 08 2024 07:25:12
%S A055963 0,0,0,0,0,0,0,0,0,0,0,0,11,0,-11,-22,-33,-44,-55,-66,-77,-88,-99,
%T A055963 -110,22,11,0,-11,-22,-33,-44,-55,-66,-77,-88,-99,33,22,11,0,-11,-22,
%U A055963 -33,-44,-55,-66,-77,-88,44,33,22,11,0,-11,-22,-33,-44,-55,-66,-77,55,44,33,22,11,0,-11,-22,-33,-44,-55,-66,66,55,44
%N A055963 n - reversal of base 12 digits of n (written in base 10).
%C A055963 a(n) is a multiple of 11.
%H A055963 Paolo Xausa, <a href="/A055963/b055963.txt">Table of n, a(n) for n = 0..10000</a>
%F A055963 a(n) = n - A056961(n).
%t A055963 Table[n - IntegerReverse[n, 12], {n, 0, 100}] (* _Paolo Xausa_, Aug 08 2024 *)
%Y A055963 Cf. A056961, A056965.
%K A055963 base,sign
%O A055963 0,13
%A A055963 _Henry Bottomley_, Jul 18 2000