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 A233061 #5 Jul 23 2025 07:50:13
%S A233061 34,319,2875,30692,334580,3654675,39886178,433495407,4690717033,
%T A233061 50556528980
%N A233061 Number of (n+1)X(4+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..4+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing.
%C A233061 Column 4 of A233062
%e A233061 Some solutions for n=5
%e A233061 ..0..0..1..0..1....0..0..0..1..0....0..0..1..0..0....0..0..0..1..1
%e A233061 ..1..0..1..0..0....0..0..0..1..1....1..0..1..1..0....1..0..1..0..0
%e A233061 ..0..0..1..1..0....0..1..0..1..0....1..0..1..0..1....0..1..0..1..0
%e A233061 ..0..1..0..1..0....1..0..1..1..1....0..1..0..1..1....0..0..1..1..1
%e A233061 ..1..0..0..1..1....0..1..1..1..1....0..1..1..1..1....0..1..0..1..1
%e A233061 ..0..1..1..0..1....1..1..1..0..1....0..1..1..1..1....1..0..1..0..1
%K A233061 nonn
%O A233061 1,1
%A A233061 _R. H. Hardin_, Dec 03 2013