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A298626 Number of nX5 0..1 arrays with every element equal to 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero. 1

%I #4 Jan 23 2018 12:26:15

%S 0,17,138,1218,20959,285085,4228781,62707643,929296248,13834518554,

%T 205782194111,3063043646029,45593869224429,678703394314508,

%U 10103392343141198,150402691188845036,2238961720631366965

%N Number of nX5 0..1 arrays with every element equal to 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.

%C Column 5 of A298629.

%H R. H. Hardin, <a href="/A298626/b298626.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A298629.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 23 2018

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Last modified April 16 04:17 EDT 2024. Contains 371696 sequences. (Running on oeis4.)