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 A146942 #3 Mar 30 2012 18:57:11 %S A146942 1,3,2,8,5,4,23,10,7,6,33,71,14,11,9,45,41,76,15,13,12,29,46,52,78,17, %T A146942 18,16,281,61,90,60,86,20,21,19,98,294,65,96,67,91,22,24,25,153,179, %U A146942 318,136,113,79,93,31,26,27,188,258,204,330,145,120,81,123,35,28,32,262,296 %N A146942 Transpose of A146941. Let p(n) be the n-th odd prime; column n consists of all k such that p(k+1)-p(k)=2n. %C A146942 A permutation of the natural numbers. %C A146942 (Row 1) = A073051. %Y A146942 Cf. A000040, A073051, A146941 %K A146942 nonn,tabf %O A146942 1,2 %A A146942 _Clark Kimberling_, Nov 02 2008