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 A241166 #3 Apr 19 2014 14:25:08 %S A241166 2,3,7,43,139,50207,340999,3203129 %N A241166 Erroneous version of A000946. %C A241166 Included in accordance with the OEIS policy of including incorrect sequences with pointers to the correct versions. %D A241166 C. D. Cox and A. J. van der Poorten, On a sequence of prime numbers, Journal of the Australian Mathematical Society 8 (1968), pp. 571-574. %K A241166 dead %O A241166 1,1