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%I #4 Dec 11 2015 07:42:58
%S 2,559,85492,2723409,3979565339,796308532514,168471146612539,
%T 92689740495424484,35207791095370659034,14785029526528063866456,
%U 7605208617717963440942640,3423109300796521198266195848
%N Number of nX4 0..n*4-1 arrays with upper left zero and lower right n*4-1 and each element differing from its horizontal, diagonal and antidiagonal neighbors by a power of two.
%C Column 4 of A265635.
%H R. H. Hardin, <a href="/A265633/b265633.txt">Table of n, a(n) for n = 1..36</a>
%e Some solutions for n=3
%e ..0..4..0..2....0..2..0..8....0..8..9..1....0..2..3.11....0..8.10..8
%e ..3..2..3..1....1..2.10..8....7..8..9.10....0..4..3..2....7..8..7..8
%e ..6..4..3.11...10..9.10.11....9.11..9.11....5..1..3.11....9..8.10.11
%Y Cf. A265635.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 11 2015
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