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%I #4 Feb 09 2016 12:21:32
%S 96,1944,29772,412740,5419992,68710116,849572724,10310685036,
%T 123340687488,1458578214948,17087534233740,198629587902636,
%U 2293776106412328,26339884438238244,300996939426028068
%N Number of nX5 0..2 arrays with some element plus some horizontally or vertically adjacent neighbor totalling two exactly once.
%C Column 5 of A268639.
%H R. H. Hardin, <a href="/A268636/b268636.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = 32*a(n-1) -386*a(n-2) +2264*a(n-3) -7265*a(n-4) +13512*a(n-5) -14960*a(n-6) +9872*a(n-7) -3776*a(n-8) +768*a(n-9) -64*a(n-10)
%e Some solutions for n=3
%e ..1..2..2..2..1. .1..0..0..0..0. .0..1..2..2..2. .1..2..1..0..1
%e ..0..1..0..1..2. .2..1..0..1..0. .1..2..2..2..1. .2..2..2..2..2
%e ..1..0..1..2..1. .0..0..1..0..0. .1..2..2..2..2. .1..2..1..2..2
%Y Cf. A268639.
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 09 2016
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