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 A116132 #6 Jul 20 2021 23:43:44 %S A116132 74,59264,510782,906902,81790664,92776472,10876856041862, %T A116132 11796926254874,18332259798794,18388650720624,32624670587648, %U A116132 32699883214248,43103618706398,44916698243804,66132258426302 %N A116132 Numbers k such that k concatenated with k-4 gives the product of two numbers which differ by 7. %e A116132 92776472//92776468 = 96320541 * 96320548, where // denotes concatenation. %Y A116132 Cf. A116119, A116131, A116133, A116205, A116263. %K A116132 nonn,base %O A116132 1,1 %A A116132 _Giovanni Resta_, Feb 06 2006