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A269185 Number of nX7 0..3 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling three exactly once. 1

%I

%S 5832,739008,154606864,29881402560,5665397992608,1052109184130840,

%T 192247800095048896,34666986301328823344,6183899646434421899984,

%U 1093211509437280016564192,191809173606551182685393776

%N Number of nX7 0..3 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling three exactly once.

%C Column 7 of A269186.

%H R. H. Hardin, <a href="/A269185/b269185.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..3..0..0..1..0..2..0. .3..2..2..1..3..1..1. .0..2..1..1..0..1..1

%Y Cf. A269186.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 20 2016

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Last modified October 18 14:04 EDT 2019. Contains 328161 sequences. (Running on oeis4.)