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 A266932 #4 Jan 06 2016 11:30:31 %S A266932 2,5,14,52,210,871,3566,13899,50841,173470,553021,1652621,4652572, %T A266932 12400392,31443461,76188169,177120011,396481264,857322183,1795814448, %U A266932 3653191802,7233526075,13969016501,26357103244,48668165412,88071764221 %N A266932 Number of nX5 binary arrays with rows lexicographically nondecreasing and columns lexicographically nondecreasing and row sums nondecreasing and column sums nonincreasing. %C A266932 Column 5 of A266935. %H A266932 R. H. Hardin, <a href="/A266932/b266932.txt">Table of n, a(n) for n = 1..34</a> %e A266932 Some solutions for n=4 %e A266932 ..0..0..0..1..1....0..0..0..0..1....0..0..0..0..0....0..0..0..0..1 %e A266932 ..0..0..1..0..1....0..0..0..0..1....0..0..0..0..0....0..0..1..1..0 %e A266932 ..1..1..0..1..0....1..1..1..1..0....0..0..0..0..0....1..1..0..0..1 %e A266932 ..1..1..1..0..0....1..1..1..1..0....1..1..1..1..1....1..1..1..1..0 %Y A266932 Cf. A266935. %K A266932 nonn %O A266932 1,1 %A A266932 _R. H. Hardin_, Jan 06 2016