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Number of (n+1)X(4+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the maximum of its antidiagonal elements
1

%I #6 Dec 01 2014 12:43:18

%S 18910,1691169,151364054,13508173078,1205414504630,107601568615993,

%T 9606281958966442,857630836924918239,76567531290992163701,

%U 6835781555200308942613,610283386103955842659188

%N Number of (n+1)X(4+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the maximum of its antidiagonal elements

%C Column 4 of A251019

%H R. H. Hardin, <a href="/A251015/b251015.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A251015/a251015.txt">Empirical recurrence of order 92</a>

%F Empirical recurrence of order 92 (see link above)

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 29 2014