A251832 Number of (n+2)X(3+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3 4 5 or 6

18124, 262404, 4182084, 60982362, 909331750, 13666111138, 204086278908, 3052378129920, 45680535734562, 683259739971478, 10220807595751712, 152903101475768852, 2287324563204213596, 34216859316889230124

Offset

1,1

Comments

Column 3 of A251836

Links

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

Example

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

Crossrefs

Sequence in context: A031641 A106769 A224571 * A250639 A205242 A172936

Adjacent sequences: A251829 A251830 A251831 * A251833 A251834 A251835

Keyword

nonn

Author

R. H. Hardin, Dec 09 2014

Status

approved