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%I #4 Dec 14 2014 13:59:17
%S 1921,3026,5090,8132,14578,24855,44707,79081,140896,248042,450225,
%T 808657,1449166,2601931,4715098,8501478,15355964,27807534,50383383,
%U 91201345,165535742,300252624,544823562,989531463,1797603881,3264756294
%N Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 3 5 6 or 7 and every 3X3 diagonal and antidiagonal sum not equal to 0 3 5 6 or 7
%C Column 1 of A252148
%H R. H. Hardin, <a href="/A252141/b252141.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A252141/a252141.txt">Empirical recurrence of order 96</a>
%F Empirical recurrence of order 96 (see link above)
%e Some solutions for n=4
%e ..0..2..3....1..2..0....0..2..3....0..2..1....1..2..3....2..2..1....2..2..2
%e ..3..2..0....3..0..3....3..1..1....3..1..2....2..1..0....3..3..1....0..3..0
%e ..3..3..0....2..3..0....0..3..3....0..3..0....0..3..0....0..0..3....3..1..3
%e ..1..2..3....2..0..3....0..3..3....3..1..3....1..2..3....3..3..1....0..3..0
%e ..2..1..3....1..2..0....3..1..1....0..3..0....2..1..2....3..2..1....3..1..3
%e ..0..3..0....3..3..0....0..2..1....2..2..3....0..3..0....1..2..3....0..2..3
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 14 2014
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