A252341 - OEIS

%I #4 Dec 16 2014 20:14:13

%S 2612,16676,120474,783852,5095514,33579112,220263010,1445238050,

%T 9499896738,62363110396,409253750110,2687245485236,17645641496624,

%U 115847611903874,760564844163094,4993528184780362,32785332046878500

%N Number of (n+2)X(6+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 2 3 or 4

%C Column 6 of A252343

%H R. H. Hardin, <a href="/A252341/b252341.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A252341/a252341.txt">Empirical recurrence of order 71</a>

%F Empirical recurrence of order 71 (see link above)

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 16 2014