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 A122468 #3 Dec 06 2006 03:00:00 %S A122468 763592,468,32,6 %N A122468 Multiply the first 2 digits and then add and multiply alternately the next digits. %C A122468 From a quiz. %D A122468 K. Russell and P. Carter, Number Puzzles, W. Foulsham and Co. Ltd. (1993). %e A122468 7 x 6 + 3 x 5 + 9 x 2 = 468; 4 x 6 + 8 = 32; 3 x 2 = 6 %Y A122468 Cf. A000216. %K A122468 nonn,base %O A122468 1,1 %A A122468 Herman Jamke (hermanjamke(AT)fastmail.fm), Sep 14 2006