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%I #4 Dec 08 2014 20:06:40
%S 3072,6470,16710,44504,130202,362242,1035154,3188016,9369766,28509654,
%T 91454234,285327668,914236522,3029323780,9884604370,32777999406,
%U 110731558818,371180607532,1254911990642,4282512407420,14558073177158
%N Number of (n+2)X(3+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 2 3 6 or 7
%C Column 3 of A251791
%H R. H. Hardin, <a href="/A251786/b251786.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A251786/a251786.txt">Empirical recurrence of order 70</a>
%F Empirical recurrence of order 70 (see link above)
%e Some solutions for n=4
%e ..1..1..2..1..1....1..3..0..2..3....3..2..3..3..3....0..2..3..0..2
%e ..3..3..3..3..3....0..2..2..0..2....2..3..3..3..2....0..1..3..0..1
%e ..0..0..0..0..0....3..0..2..3..0....3..3..3..3..3....0..2..3..0..1
%e ..2..1..2..1..1....2..3..0..1..3....3..3..3..3..3....0..1..3..0..2
%e ..3..3..3..3..3....0..2..3..0..1....2..3..3..3..2....0..2..3..0..1
%e ..0..0..0..0..0....3..0..1..3..0....3..3..3..2..3....0..1..3..0..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 08 2014
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