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 A233304 #6 Mar 15 2023 14:18:44
%S A233304 64,502,3556,21957,122022,616439,2871477,12451710,50714574,195371008,
%T A233304 716295219,2512238327,8466906587,27527291020,86628418167,264674530948,
%U A233304 787179022872,2284373978387,6482027000245,18018759544172,49152990387893
%N A233304 Number of (4+1) X (n+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..n+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..4+1} nondecreasing.
%C A233304 Row 4 of A233301.
%H A233304 R. H. Hardin, <a href="/A233304/b233304.txt">Table of n, a(n) for n = 1..25</a>
%e A233304 Some solutions for n=4
%e A233304 ..0..0..1..0..0....0..0..0..0..1....0..1..0..0..1....0..0..0..0..0
%e A233304 ..0..0..0..1..1....0..0..0..1..1....1..0..0..0..1....0..0..0..0..1
%e A233304 ..1..0..0..0..1....1..0..0..1..0....0..0..0..1..1....0..0..0..1..1
%e A233304 ..0..1..1..1..1....1..0..0..0..1....0..1..0..0..1....0..1..1..1..1
%e A233304 ..1..1..1..1..1....0..1..1..1..1....0..0..1..1..1....0..1..1..1..1
%Y A233304 Cf. A233301.
%K A233304 nonn
%O A233304 1,1
%A A233304 _R. H. Hardin_, Dec 07 2013