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 A104664 #3 Mar 30 2012 17:26:11 %S A104664 1,2,3,5,8,12,17,21,32,33,42,44,54,89,99,157,222,236,258,327,345,371, %T A104664 470,495,606,634,866,891,1219,1383,1540,1626,1660,1878,1989,2064,2758, %U A104664 3534,3954,4053,4113,4468,4618,4783,4862,5134,6394,7176,7480,11649 %N A104664 Records in A105822. %C A104664 Is A105822 a permutation of positive integers? %Y A104664 Cf. A105822. %K A104664 nonn %O A104664 1,2 %A A104664 _Zak Seidov_, Apr 22 2005