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A298831 Number of nX5 0..1 arrays with every element equal to 1, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero. 1

%I #4 Jan 27 2018 07:33:21

%S 0,48,10,141,1590,3282,27915,246700,1055145,7129209,56638725,

%T 310179586,2031847146,14612093372,88989021585,580066345101,

%U 3961760881902,25211203481003,164396604060820,1096627513193338,7101386707723193

%N Number of nX5 0..1 arrays with every element equal to 1, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

%C Column 5 of A298834.

%H R. H. Hardin, <a href="/A298831/b298831.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A298834.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 27 2018

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Last modified May 3 21:49 EDT 2024. Contains 372225 sequences. (Running on oeis4.)