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A224379 Number of 7Xn 0..2 arrays with rows unimodal and antidiagonals nondecreasing.

%I A224379 #8 Jul 23 2025 05:08:15
%S A224379 2187,419904,9588028,86251004,495660330,2231009824,8684742989,
%T A224379 30944246553,104711652679,344919346826,1122234055919,3627085766299,
%U A224379 11631834618628,36830849015498,114465864361342,347386072561498
%N A224379 Number of 7Xn 0..2 arrays with rows unimodal and antidiagonals nondecreasing.
%C A224379 Row 7 of A224374
%H A224379 R. H. Hardin, <a href="/A224379/b224379.txt">Table of n, a(n) for n = 1..210</a>
%H A224379 R. H. Hardin, <a href="/A224379/a224379.txt">Empirical polynomial of degree 28</a>
%F A224379 Empirical polynomial of degree 28 (see link above)
%e A224379 Some solutions for n=3
%e A224379 ..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
%e A224379 ..0..0..1....0..0..0....0..0..1....0..0..1....0..0..1....1..0..0....0..0..0
%e A224379 ..0..1..1....0..1..0....0..1..0....0..1..0....0..1..0....0..0..0....0..0..0
%e A224379 ..2..2..2....2..0..0....1..0..0....1..2..0....1..1..0....1..1..0....2..1..0
%e A224379 ..2..2..0....0..2..1....1..0..0....2..1..1....1..1..0....1..2..0....1..0..0
%e A224379 ..2..1..1....2..2..1....2..0..0....1..2..1....1..0..0....2..0..0....0..1..2
%e A224379 ..2..2..0....2..2..0....2..1..0....2..1..0....0..1..0....2..1..0....1..2..0
%K A224379 nonn
%O A224379 1,1
%A A224379 _R. H. Hardin_ Apr 05 2013