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 A116277 #2 Mar 30 2012 17:40:40 %S A116277 65,738,892,755003,789545,3643102,6356891,9084164,405460897734702722, %T A116277 416974886220714236,583025113779285757,594539102265297271, %U A116277 920312382883217574,931826371369229088,4330823773309769374 %N A116277 n times n+8 gives the concatenation of two numbers m and m-2. %e A116277 9084164 * 9084172 = 8252210//8252208, where // denotes %e A116277 concatenation. %Y A116277 Cf. A116146, A116270, A116276, A116278, A116292. %K A116277 nonn,base %O A116277 1,1 %A A116277 _Giovanni Resta_, Feb 06 2006