login
A252513
Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 2 5 6 or 7 and every 3X3 diagonal and antidiagonal sum not equal to 0 2 5 6 or 7
1
17709, 231372, 767176, 1808374, 5219625, 17585706, 59046724, 209788816, 715958046, 2479308557, 9956085785, 36534703306, 134720021233, 603603095063, 2333291306912, 8984713129479, 43067974596056, 171022136230496
OFFSET
1,1
COMMENTS
Column 7 of A252514
LINKS
EXAMPLE
Some solutions for n=1
..2..3..1..3..1..3..1..2..2....1..3..1..1..0..1..1..3..1
..3..1..3..1..3..1..3..1..2....0..2..0..0..2..0..0..2..0
..2..3..1..3..1..3..1..2..2....1..0..1..1..0..1..1..0..1
CROSSREFS
Sequence in context: A165598 A187641 A252624 * A328868 A322552 A235023
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 18 2014
STATUS
approved