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 A059629 #5 Oct 04 2012 10:28:40 %S A059629 0,6,2,8,4,0,6,2,8,4,60,66,62,68,64,60,66,62,68,64,20,26,22,28,24,20, %T A059629 26,22,28,24,80,86,82,88,84,80,86,82,88,84,40,46,42,48,44,40,46,42,48, %U A059629 44,0,6,2,8,4,0,6,2,8,4,60,66,62,68,64,60,66,62,68,64,20,26,22,28,24 %N A059629 Carryless multiplication 6 X n base 10. %H A059629 David Applegate, Marc LeBrun and N. J. A. Sloane, <a href="http://neilsloane.com/doc/carry1.pdf">Carryless Arithmetic (I): The Mod 10 Version</a>. %Y A059629 Cf. A001477 for carryless 1 X n, A004520 for carryless 2 X 10 base 10, A008592 for carryless 10 X n. %K A059629 base,nonn %O A059629 0,2 %A A059629 _Henry Bottomley_, Feb 19 2001