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 A116112 #8 Jul 21 2021 22:47:05 %S A116112 17,35,10408517,45884051,62918301,1116290522645838319925, %T A116112 1491109615209578451401,2254276950187476704727,2758431647767103545151, %U A116112 3768131911733856383477,4434103687048263321737,5230580700713956424051 %N A116112 Numbers k such that k concatenated with k-7 gives the product of two numbers which differ by 7. %C A116112 Also numbers k such that k concatenated with k-1 gives the product of two numbers which differ by 5. %C A116112 Also numbers k such that k concatenated with k+3 gives the product of two numbers which differ by 3. %C A116112 Also numbers k such that k concatenated with k+5 gives the product of two numbers which differ by 1. %e A116112 62918301//62918300 = 79321055 * 79321060, where // denotes concatenation. %e A116112 62918301//62918304 = 79321056 * 79321059. %e A116112 62918301//62918306 = 79321057 * 79321058. %Y A116112 Cf. A116107, A115426, A116113, A116119, A116243. %Y A116112 Cf. A116163, A115429, A116158, A116281. %Y A116112 Cf. A116171, A116177, A116179, A116185, A116309, A115430, A116322. %K A116112 nonn,base %O A116112 1,1 %A A116112 _Giovanni Resta_, Feb 06 2006 %E A116112 Edited by _N. J. A. Sloane_, Apr 15 2007