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A269901 Number of nX7 0..6 arrays with some element plus some horizontally or vertically adjacent neighbor totalling six exactly once. 1

%I #4 Mar 07 2016 08:56:55

%S 326592,113260615440,21603218450171400,3455975332370347120110,

%T 507478639206207120857666940,70822304244655934965133461402710,

%U 9555836762886245973504760743477970440

%N Number of nX7 0..6 arrays with some element plus some horizontally or vertically adjacent neighbor totalling six exactly once.

%C Column 7 of A269902.

%H R. H. Hardin, <a href="/A269901/b269901.txt">Table of n, a(n) for n = 1..71</a>

%e Some solutions for n=1

%e ..0..2..1..2..4..6..6. .2..2..4..5..6..3..6. .1..1..6..1..0..1..5

%Y Cf. A269902.

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 07 2016

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Last modified April 19 05:19 EDT 2024. Contains 371782 sequences. (Running on oeis4.)