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%I #4 Dec 17 2014 09:17:48
%S 21544,437023,9807871,203636149,4246242886,89843675557,1892602521123,
%T 39809382457721,838416758796711,17657051023542125,371771844206074736,
%U 7828257407198464484,164840943826619948011,3471012673803505488234
%N Number of (n+2)X(2+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum less than 4
%C Column 2 of A252397
%H R. H. Hardin, <a href="/A252393/b252393.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=1
%e ..1..0..1..0....0..0..0..2....1..1..0..1....1..0..1..0....1..2..0..0
%e ..2..1..0..1....0..1..0..0....0..0..0..1....0..2..1..0....0..0..1..1
%e ..0..0..0..1....0..0..1..0....0..2..0..0....0..1..0..2....2..0..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 17 2014
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