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 A134033 #2 Mar 30 2012 18:57:10 %S A134033 1,3,1,5,2,1,17,3,2,1,29,5,3,2,1,99,10,4,3,2,1,169,17,5,4,3,2,1 %N A134033 Rectangular array T(n,k) read by antidiagonals. Row n consists of numbers k for which {k*sqrt(2)}<n/k, where { } denotes fractional part. %C A134033 Each row is a subsequence of every row after it. %e A134033 Northwest corner: %e A134033 1 3 5 17 29 99 %e A134033 1 2 3 5 10 17 %e A134033 1 2 3 4 5 6 %Y A134033 Cf. A134032. %K A134033 nonn,tabl %O A134033 1,2 %A A134033 _Clark Kimberling_, Oct 02 2007