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A302314 Number of 6Xn 0..1 arrays with every element equal to 0, 1, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1

%I #4 Apr 05 2018 09:42:02

%S 32,42,153,380,1271,5715,18992,70289,276303,1198933,4943025,20296911,

%T 87240442,391664186,1720317094,7452867091,33062937731,149393352532,

%U 666995403171,2953315553655,13219394330756,59630333269194

%N Number of 6Xn 0..1 arrays with every element equal to 0, 1, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Row 6 of A302309.

%H R. H. Hardin, <a href="/A302314/b302314.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

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

%Y Cf. A302309.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 05 2018

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Last modified April 25 01:06 EDT 2024. Contains 371964 sequences. (Running on oeis4.)