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A295210 Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 2 or 3 1s. 1

%I

%S 1,14,102,916,9536,85215,775547,7213161,66719868,617206899,5712427735,

%T 52846385777,488921918232,4523682017995,41853575267115,

%U 387232937869441,3582725192257390,33147778088300382,306687046141834012

%N Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 2 or 3 1s.

%C Column 5 of A295213.

%H R. H. Hardin, <a href="/A295210/b295210.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A295210/a295210.txt">Empirical recurrence of order 78</a>

%F Empirical recurrence of order 78 (see link above)

%e Some solutions for n=6

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

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

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

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

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

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

%Y Cf. A295213.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 17 2017

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Last modified June 28 12:59 EDT 2022. Contains 354907 sequences. (Running on oeis4.)