A223932 - OEIS

%I #6 Oct 13 2021 00:57:23

%S 239,10511,142177,1065625,5773556,26250443,108796955,427868778,

%T 1623374603,5968786086,21245965257,73014123464,241654125566,

%U 769129639555,2353337396568,6926814314231,19640014398963,53740631657012

%N Number of n X 7 0..2 arrays with rows, columns and antidiagonals unimodal and diagonals nondecreasing.

%C Column 7 of A223933.

%H R. H. Hardin, <a href="/A223932/b223932.txt">Table of n, a(n) for n = 1..39</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A223933.

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 29 2013