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 A031333 #4 Mar 30 2012 18:56:23 %S A031333 5,14,29,37,41,58,66,83,87,96,112,122,127,128,150,156,157,167,182,210, %T A031333 225,245,257,267,292,308,323,325,334,359,364,382,385,400,415,416,428, %U A031333 439,451,464,471,472,484,497,533,548,555,561 %N A031333 Position of n-th 8 in A031324. %K A031333 nonn %O A031333 1,1 %A A031333 _Clark Kimberling_