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 A257343 #7 Apr 29 2015 11:04:56 %S A257343 1,5,37,25,2,185,1443,125,12345679,1,1,925,77,715,74,625,653,61728395, %T A257343 5269,5,481,5,43957 %N A257343 Erroneous version of A079339. %C A257343 Included in accordance with OEIS policy of including published but erroneous sequences so as to give links to the correct versions. %D A257343 Popular Computing (Calabasas, CA), Z-Sequences, Vol. 4 (No. 34, Apr 1976), pages PC36-4 to PC37-6, but there are many errors (cf. A079339). %Y A257343 Cf. A079339. %K A257343 dead %O A257343 1,2 %A A257343 _N. J. A. Sloane_, Apr 27 2015