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 A116246 #5 Mar 30 2012 17:40:40 %S A116246 76,3940697271069731588503127963131864400305034240, %T A116246 4151390954867901940837042502762708788079731027, %U A116246 4640791465716781132715600310864305127175798262 %N A116246 n times n+1 gives the concatenation of two numbers m and m-6. %F A116246 a(n) = A116234(n)+1. - _R. J. Mathar_, Apr 24 2007 %e A116246 76 * 77 = 58//52, where // denotes concatenation. %Y A116246 Cf. A116115, A116232, A116247, A116251. %K A116246 nonn,base %O A116246 1,1 %A A116246 _Giovanni Resta_, Feb 06 2006