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 A116113 #5 Jul 21 2021 22:29:50 %S A116113 95,216,287,515,675,995,1175,4320,9995,82640,99995,960795,999995, %T A116113 1322312,4049591,9999995,16955015,34602080,99999995,171010235, %U A116113 181964891,183673467,187160072,321920055,326530616,328818032 %N A116113 Numbers k such that k concatenated with k-7 gives the product of two numbers which differ by 8. %e A116113 8533818720//8533818713 = 9237867023 * 9237867031, where // denotes concatenation. %Y A116113 Cf. A115429, A116112, A116114, A116126, A116244. %K A116113 nonn,base %O A116113 1,1 %A A116113 _Giovanni Resta_, Feb 06 2006