A252677 Number of (n+2)X(6+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 2 5 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 2 5 6 or 7

2564, 6645, 24666, 78851, 362380, 1404868, 4829707, 22804431, 89973961, 315275226, 1511485105, 6030881043, 21308895365, 103029313279, 413747872090, 1468204643303, 7131857803159, 28740660411538, 102223457859548

Offset

1,1

Comments

Column 6 of A252679

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=4
..0..3..2..0..0..2..3..0....0..1..1..0..1..1..0..1....3..0..2..0..0..2..3..2
..0..1..1..0..1..1..0..1....1..0..1..1..0..1..1..0....0..1..1..0..1..1..0..1
..1..0..1..1..0..1..1..3....3..0..2..0..0..2..0..0....1..0..1..1..0..1..1..0
..0..0..2..0..0..2..0..0....0..1..1..0..1..1..0..1....0..0..2..3..0..2..0..0
..0..1..1..0..1..1..3..1....1..3..1..1..0..1..1..0....0..1..1..0..1..1..0..1
..1..3..1..1..0..1..1..0....0..0..2..0..0..2..0..0....1..0..1..1..3..1..1..0

Crossrefs

Sequence in context: A309042 A170794 A068265 * A235882 A156627 A175016

Adjacent sequences: A252674 A252675 A252676 * A252678 A252679 A252680

Keyword

nonn

Author

R. H. Hardin, Dec 20 2014

Status

approved