A251789 Number of (n+2)X(6+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 2 3 6 or 7

22632, 85826, 362242, 1765074, 10134314, 52977162, 302373278, 1884805604, 11306760510, 70754000356, 457154495532, 2916654024414, 18881779134548, 123441703199668, 803709099173798, 5255637293778082, 34467691631272022

Offset

1,1

Comments

Column 6 of A251791

Links

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

Example

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

Crossrefs

Sequence in context: A100420 A271444 A335397 * A105378 A279443 A287377

Adjacent sequences: A251786 A251787 A251788 * A251790 A251791 A251792

Keyword

nonn

Author

R. H. Hardin, Dec 08 2014

Status

approved