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%I #7 Apr 19 2020 23:52:00
%S 2,11,164,6659,748740,230659662,196091375073,458510348625561,
%T 2951683183977839155,52303382279027148884728,
%U 2551191530898428081696382880,342537007989863347885673784022387
%N Number of n X n 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1 or 4 1's.
%C Diagonal of A295275.
%H R. H. Hardin, <a href="/A295269/b295269.txt">Table of n, a(n) for n = 1..14</a>
%e Some solutions for n=4
%e ..0..0..0..1....0..0..1..1....0..1..0..1....1..0..1..0....0..0..0..1
%e ..0..0..1..0....1..0..0..0....0..0..1..0....0..1..0..1....0..0..0..0
%e ..0..1..0..1....0..0..1..0....0..0..0..0....1..1..1..0....0..0..0..0
%e ..0..1..0..0....0..1..0..1....1..0..1..1....0..1..0..1....0..0..1..0
%Y Cf. A295275.
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 19 2017