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 A116232 #2 Mar 30 2012 17:40:40 %S A116232 63,74161422624196105800027496,76141620643998085998047298, %T A116232 84702909106481760451088979,86683107126283740649108781, %U A116232 4050207542676714414981906222839967 %N A116232 n times n+1 gives the concatenation of two numbers m and m-8. %e A116232 63 * 64 = 40//32, where // denotes concatenation. %Y A116232 Cf. A116101, A116225, A116233, A116246. %K A116232 nonn,base %O A116232 1,1 %A A116232 _Giovanni Resta_, Feb 06 2006