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A297801 Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 5 neighboring 1s. 1

%I

%S 1,381,6215,115773,4340367,123361724,3420197908,102189481612,

%T 2993486726263,87036084096735,2550795725760992,74669036575156557,

%U 2183108544954393549,63879977618932856370,1869145222162376267997

%N Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 5 neighboring 1s.

%C Column 7 of A297802.

%H R. H. Hardin, <a href="/A297801/b297801.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

%e ..0..0..0..0..1..1..1. .0..0..0..0..0..0..0. .0..0..1..1..0..1..0

%e ..0..1..0..1..0..1..1. .0..0..1..1..1..0..0. .1..1..0..0..1..0..1

%e ..1..1..1..1..0..0..0. .1..1..0..0..0..1..0. .0..1..1..0..1..1..1

%e ..0..1..1..0..0..0..0. .1..1..0..0..1..1..1. .0..1..1..0..1..1..0

%Y Cf. A297802.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 06 2018

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Last modified September 22 19:36 EDT 2021. Contains 347608 sequences. (Running on oeis4.)