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 A224062 #6 Jul 23 2025 04:59:11 %S A224062 610,59792,1557606,21167501,200974242,1573171210,11060805360, %T A224062 72498474377,448019196499,2610730742471,14308688695540,73630728965911, %U A224062 355779874654006,1617038472236418,6933004209446591,28139119355529508 %N A224062 Number of nX6 0..3 arrays with rows, columns and antidiagonals unimodal and diagonals nondecreasing. %C A224062 Column 6 of A224064 %H A224062 R. H. Hardin, <a href="/A224062/b224062.txt">Table of n, a(n) for n = 1..23</a> %e A224062 Some solutions for n=3 %e A224062 ..0..0..0..0..1..0....0..0..0..0..1..0....0..0..1..1..1..0....0..0..0..0..0..0 %e A224062 ..0..0..2..2..3..3....0..0..0..1..1..3....0..0..2..2..2..2....0..0..2..2..2..2 %e A224062 ..1..1..2..2..2..3....0..0..3..3..2..1....0..2..3..3..3..3....0..0..0..3..3..2 %K A224062 nonn %O A224062 1,1 %A A224062 _R. H. Hardin_ Mar 30 2013