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A297875 Number of n X 7 0..1 arrays with every element equal to 2, 3 or 5 king-move adjacent elements, with upper left element zero.

%I A297875 #6 Jan 31 2022 21:45:59
%S A297875 0,34,6,185,579,3307,13778,69160,325394,1617897,7900112,39099845,
%T A297875 191624353,944384511,4643953567,22870757049,112585762631,554562217248,
%U A297875 2730604865872,13448526185881,66230043593237,326180992906896
%N A297875 Number of n X 7 0..1 arrays with every element equal to 2, 3 or 5 king-move adjacent elements, with upper left element zero.
%C A297875 Column 7 of A297876.
%H A297875 R. H. Hardin, <a href="/A297875/b297875.txt">Table of n, a(n) for n = 1..210</a>
%e A297875 Some solutions for n=7
%e A297875 ..0..0..0..0..1..0..0. .0..0..0..0..0..1..1. .0..0..0..1..1..1..0
%e A297875 ..0..1..1..1..0..1..0. .0..1..1..1..0..0..1. .0..1..1..0..1..0..0
%e A297875 ..1..1..0..0..1..1..0. .1..0..0..0..1..0..1. .1..0..0..1..0..1..1
%e A297875 ..1..0..1..1..0..1..0. .1..0..1..1..0..1..1. .1..1..0..1..0..1..0
%e A297875 ..1..0..1..0..0..1..0. .1..0..1..1..1..0..1. .0..0..0..0..1..0..0
%e A297875 ..1..0..0..1..1..0..1. .0..1..0..1..0..1..0. .1..0..0..1..0..0..1
%e A297875 ..1..1..0..0..0..1..1. .0..0..1..0..1..0..0. .1..1..0..1..1..1..1
%Y A297875 Cf. A297876.
%K A297875 nonn
%O A297875 1,2
%A A297875 _R. H. Hardin_, Jan 07 2018