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Number of nX5 0..5 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling five exactly once.
1

%I #4 Mar 06 2016 20:05:14

%S 3000,5125008,4546948272,3515869538472,2524680110862912,

%T 1733054018904626400,1153865935196746139616,751466744196523891197864,

%U 481288296794232367244430960,304238215502271049181330977896

%N Number of nX5 0..5 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling five exactly once.

%C Column 5 of A269888.

%H R. H. Hardin, <a href="/A269885/b269885.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

%Y Cf. A269888.

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 06 2016