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Number of n X 7 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 two less than the number of 0's adjacent to some 1.

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`%I #6 Apr 05 2020 23:31:07
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`%S 3,2088,238532,27938670,3229944132,382399996325,45587718323826,
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`%T 5491408595796062,665386690317576640,81085002249528800607,
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`%U 9923283116879850553806,1218979761697887011274578
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`%N Number of n X 7 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 two less than the number of 0's adjacent to some 1.
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`%C Column 7 of A286979.
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`%H R. H. Hardin, <a href="/A286978/b286978.txt">Table of n, a(n) for n = 1..16</a>
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`%e Some solutions for n=2
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`%e ..1..0..1..0..1..0..0. .0..0..0..0..0..0..1. .0..0..1..0..0..0..0
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`%e ..0..0..1..0..1..0..1. .1..1..0..0..0..1..0. .0..1..1..0..1..0..1
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`%Y Cf. A286979.
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`%K nonn
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`%O 1,1
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`%A _R. H. Hardin_, May 17 2017
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