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A252405 Number of (n+2)X(6+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 2 3 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 2 3 4 6 or 7 1

%I

%S 4582,5060,18377,63428,267113,1068295,3896844,16806104,68150374,

%T 253409613,1108339723,4544602468,17078079134,75288883908,310760322629,

%U 1174707449748,5201551650607,21547585089641,81713181388627

%N Number of (n+2)X(6+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 2 3 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 2 3 4 6 or 7

%C Column 6 of A252407

%H R. H. Hardin, <a href="/A252405/b252405.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

%e ..2..3..2..2..0..2..2..0....0..2..2..3..2..2..3..2....3..1..0..3..1..3..3..1

%e ..3..3..1..3..3..1..3..3....2..3..2..2..3..2..2..3....2..2..3..2..2..3..2..2

%e ..0..2..2..0..2..2..3..2....3..0..1..3..0..1..3..0....3..2..2..3..2..2..3..2

%e ..2..3..2..2..3..2..2..3....3..2..2..3..2..2..3..2....3..1..3..3..1..3..3..1

%e ..3..3..1..3..3..1..3..3....2..3..2..2..3..2..2..3....2..2..0..2..2..3..2..2

%e ..0..2..2..3..2..2..0..2....3..3..1..0..3..1..3..0....3..2..2..3..2..2..3..2

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 17 2014

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Last modified October 20 07:41 EDT 2020. Contains 337897 sequences. (Running on oeis4.)