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%I #6 May 03 2021 15:08:03
%S 2900,17008,122506,800946,5217924,34351677,225314758,1478226653,
%T 9717153148,63795462094,418649646607,2748809210377,18049979171913,
%U 118504214119528,778005088796521,5108005033209650,33536938748132854
%N Number of (n+2) X (6+2) 0..3 arrays with every 3 X 3 subblock row, column, diagonal and antidiagonal sum not equal to 2 3 4 6 or 7.
%C Column 6 of A252269.
%H R. H. Hardin, <a href="/A252267/b252267.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A252267/a252267.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..0..0....3..3..3..3..3..3..2..3....3..3..3..3..3..3..3..2
%e ..0..0..0..0..0..0..0..0....2..3..3..3..3..3..3..2....2..3..3..3..2..3..3..3
%e ..0..0..0..0..0..1..0..0....3..3..3..3..3..3..3..3....3..3..3..3..3..3..3..3
%e ..0..0..0..1..0..0..0..1....3..3..3..3..2..3..3..3....3..3..3..3..3..2..3..3
%e ..0..1..0..0..0..0..1..0....2..3..3..3..3..3..3..2....3..3..3..2..3..3..3..2
%Y Cf. A252269.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 16 2014