A270149 - OEIS

%I #4 Mar 12 2016 08:45:55

%S 96040,7623445344,256330155581328,7232246139319438944,

%T 187171034679828236009184,4602680013721951976373349248,

%U 109415349266339821204781196878928,2539102809743114824610200456128170208

%N Number of nX6 0..7 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling seven exactly once.

%C Column 6 of A270150.

%H R. H. Hardin, <a href="/A270149/b270149.txt">Table of n, a(n) for n = 1..32</a>

%e Some solutions for n=1

%e ..0..3..1..1..6..6. .2..4..2..7..0..6. .0..5..1..7..0..5. .4..7..4..5..6..1

%Y Cf. A270150.

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 12 2016