A252627 Number of (n+2)X(5+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 1 3 6 or 8

2130874, 45094726, 1793890764, 72359809802, 3005077558564, 124596853628274, 5165066847889682, 214414080897020708, 8901459799186347800, 369474414766197606432, 15335889466175404541508, 636574006019433151326960

Offset

1,1

Comments

Column 5 of A252628

Links

R. H. Hardin, Table of n, a(n) for n = 1..29

Example

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

Crossrefs

Sequence in context: A203786 A295478 A043630 * A323498 A138084 A231198

Adjacent sequences: A252624 A252625 A252626 * A252628 A252629 A252630

Keyword

nonn

Author

R. H. Hardin, Dec 19 2014

Status

approved