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A297746 Number of nX5 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 3 or 4 neighboring 1s. 1

%I #5 Jan 05 2018 15:58:45

%S 6,71,452,3780,34159,290114,2561262,22815719,202611948,1807370198,

%T 16146421069,144281073566,1289983649102,11536495661767,

%U 103185404346652,922989840294958,8256506215457397,73860026738425420,660736505309331646

%N Number of nX5 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 3 or 4 neighboring 1s.

%C Column 5 of A297749.

%H R. H. Hardin, <a href="/A297746/b297746.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A297746/a297746.txt">Empirical recurrence of order 77</a>

%F Empirical recurrence of order 77 (see link above)

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A297749.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 05 2018

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Last modified July 31 19:34 EDT 2024. Contains 374808 sequences. (Running on oeis4.)