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 A116126 #6 Jul 20 2021 23:43:02 %S A116126 10,6752089,6448802889351008245, %T A116126 18894512461523256139943105859903480218905, %U A116126 31958875438439894736354375209245786214798 %N A116126 Numbers k such that k concatenated with k-5 gives the product of two numbers which differ by 8. %Y A116126 Cf. A116113, A116125, A116180, A116139, A116257. %K A116126 nonn,base %O A116126 1,1 %A A116126 _Giovanni Resta_, Feb 06 2006