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A298843 Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero. 1

%I

%S 3,166,424,1446,5101,18191,62393,214017,735090,2521128,8674496,

%T 29900417,103081768,355521461,1226654477,4233860529,14618644242,

%U 50489092706,174414948926,602632498696,2082528838007,7197611462672,24879153769164

%N Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero.

%C Column 5 of A298846.

%H R. H. Hardin, <a href="/A298843/b298843.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=7

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

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

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

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

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

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

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

%Y Cf. A298846.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 27 2018

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Last modified May 16 08:07 EDT 2022. Contains 353695 sequences. (Running on oeis4.)