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 A224061 #8 Jul 23 2025 04:59:06 %S A224061 296,17723,324702,3509115,28682690,200974242,1274747540,7460451193, %T A224061 40485099654,203984697906,955984201540,4180173148322,17124267694239, %U A224061 66026896430771,240766134331288,834162297362085,2757870663383867 %N A224061 Number of nX5 0..3 arrays with rows, columns and antidiagonals unimodal and diagonals nondecreasing. %C A224061 Column 5 of A224064 %H A224061 R. H. Hardin, <a href="/A224061/b224061.txt">Table of n, a(n) for n = 1..119</a> %H A224061 R. H. Hardin, <a href="/A224061/a224061.txt">Empirical polynomial of degree 30</a> %F A224061 Empirical polynomial of degree 30 (see link above) %e A224061 Some solutions for n=3 %e A224061 ..0..0..0..1..0....0..1..2..2..2....0..0..0..0..1....0..0..0..2..3 %e A224061 ..1..1..1..1..3....1..1..2..2..2....0..0..2..2..2....0..0..1..2..3 %e A224061 ..0..1..3..1..1....1..1..1..3..3....0..0..2..2..2....0..1..1..3..3 %K A224061 nonn %O A224061 1,1 %A A224061 _R. H. Hardin_ Mar 30 2013