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A251982
Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row and column sum not 0 1 2 7 8 or 9 and every diagonal and antidiagonal sum 0 1 2 7 8 or 9
1
6881308, 782954632, 13277304274, 98312125934, 1633057450764, 41357385753908, 692955339504464, 11055555514035680, 205164115130904298, 3720828179140603290, 64524367873316788320, 1142575985619965697994
OFFSET
1,1
COMMENTS
Column 7 of A251983
LINKS
EXAMPLE
Some solutions for n=1
..1..2..0..3..0..3..0..3..0....1..2..0..3..0..3..0..3..1
..1..0..3..1..2..0..3..0..3....1..0..3..0..2..1..3..0..3
..1..2..0..2..1..3..0..2..1....1..2..0..3..1..2..0..2..1
CROSSREFS
Sequence in context: A185427 A185426 A250457 * A323497 A323806 A186793
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 12 2014
STATUS
approved