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A252557
Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 1 2 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 1 2 4 6 or 7
1
13917, 42359, 189777, 902276, 5882014, 28350064, 145399017, 892449409, 4324294849, 22587330627, 136612383229, 662365987492, 3475157400339, 20954947990096, 101584691328838, 533546079070079, 3215901982085838
OFFSET
1,1
COMMENTS
Column 7 of A252558
LINKS
EXAMPLE
Some solutions for n=3
..0..1..3..3..1..0..3..1..3....0..0..1..0..0..1..0..3..1
..2..2..0..2..2..3..2..2..3....3..2..2..3..2..2..3..2..2
..3..2..2..3..2..2..3..2..2....2..3..2..2..3..2..2..3..2
..3..1..3..0..1..3..3..1..0....3..0..1..3..0..1..0..0..1
..2..2..3..2..2..0..2..2..3....3..2..2..3..2..2..3..2..2
CROSSREFS
Sequence in context: A343969 A190817 A298428 * A237571 A244273 A118464
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 18 2014
STATUS
approved