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 A115227 #12 Nov 02 2022 10:30:10 %S A115227 8314460009856000,31746120037632000,92632873013093597184000000, %T A115227 1108240107492643314063114240000, %U A115227 25425833233403394290952098021376000000000,67839608823081187608930897100800000000000,1064102035269050218905833606927320350720000000 %N A115227 Numbers k such that k = (d_1+7)(d_2+7)*...*(d_m+7) where d_1 d_2 ... d_m is the decimal expansion of k. %H A115227 Max Alekseyev, <a href="/A115227/b115227.txt">Table of n, a(n) for n = 1..18</a> (contains all terms below 10^100) %H A115227 Jean-Marie De Koninck, <a href="https://bookstore.ams.org/mbk-64/397">Those Fascinating Numbers</a>, Amer. Math. Soc., (2009), page 377. %e A115227 a(1) = 8314460009856000 = (7+8)*(7+3)*(7+1)*...*(7+6)*(7+0)*(7+0)*(7+0). %Y A115227 Cf. A055482, A098113, A098114, A097371, A097372, A113756 %K A115227 base,nonn %O A115227 1,1 %A A115227 _Giovanni Resta_, Jan 16 2006 %E A115227 a(6)-a(18) from _Max Alekseyev_, Jan 25 2015