A224061 - OEIS

%I #10 Oct 03 2025 23:14:33

%S 296,17723,324702,3509115,28682690,200974242,1274747540,7460451193,

%T 40485099654,203984697906,955984201540,4180173148322,17124267694239,

%U 66026896430771,240766134331288,834162297362085,2757870663383867

%N Number of nX5 0..3 arrays with rows, columns and antidiagonals unimodal and diagonals nondecreasing.

%C Column 5 of A224064

%H R. H. Hardin, <a href="/A224061/b224061.txt">Table of n, a(n) for n = 1..119</a>

%H R. H. Hardin, <a href="/A224061/a224061.txt">Empirical polynomial of degree 30</a>

%F Empirical polynomial of degree 30 (see link above)

%e Some solutions for n=3

%e ..0..0..0..1..0....0..1..2..2..2....0..0..0..0..1....0..0..0..2..3

%e ..1..1..1..1..3....1..1..2..2..2....0..0..2..2..2....0..0..1..2..3

%e ..0..1..3..1..1....1..1..1..3..3....0..0..2..2..2....0..1..1..3..3

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 30 2013