%I #11 Jan 27 2024 16:27:50
%S 16,8463,7796840,19256175024,62221755947285,29140746691543180,
%T 114300945033974982113,143026744640969922998778,
%U 665211626399246015524893315,1103575752619261180934292157487,3455181481764546173131937070949479,4571072289935266583762051509912780981
%N Number of n X 5 0..n*5-1 arrays with upper left zero and lower right n*5-1 and each element differing from its horizontal and vertical neighbors by a power of two.
%C Column 5 of A265178.
%H R. H. Hardin, <a href="/A265177/b265177.txt">Table of n, a(n) for n = 1..13</a>
%e Some solutions for n=2:
%e ..0..4..2..4..8....0..4..6..5..7....0..4..5..6..5....0..4..3..5..1
%e ..2..3..4..5..9....2..3..5..1..9....4..8..9..5..9....2..6..5..7..9
%Y Cf. A265178.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 03 2015