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A265634 Number of nX5 0..n*5-1 arrays with upper left zero and lower right n*5-1 and each element differing from its horizontal, diagonal and antidiagonal neighbors by a power of two. 0

%I

%S 16,10444,2331618,1299561587,25336433674079,2181889044925821,

%T 6383144912786278389,4689904232227681679346,

%U 20125323950810258125451971,16348063815308534660704132991

%N Number of nX5 0..n*5-1 arrays with upper left zero and lower right n*5-1 and each element differing from its horizontal, diagonal and antidiagonal neighbors by a power of two.

%C Column 5 of A265635.

%e Some solutions for n=2

%e ..0..1..9..1..5....0..4..6..7..6....0..8..0..1..3....0..1..0..1..3

%e ..0..1..3..1..9....3..4..6..7..9....9..1..0..1..9....3..1..2..1..9

%Y Cf. A265635.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 11 2015

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Last modified May 19 04:20 EDT 2022. Contains 353826 sequences. (Running on oeis4.)