A251953 Number of (n+2)X(3+2) 0..2 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3

117100, 2723490, 78070792, 2371536636, 74995353698, 2414437707602, 78329223513048, 2550593612042104, 83197833786960908, 2716016764639352132, 88698915743761645512, 2897225569880888350100, 94641841235888614770348

Offset

1,1

Comments

Column 3 of A251955

Links

R. H. Hardin, Table of n, a(n) for n = 1..208

Example

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

Crossrefs

Sequence in context: A246557 A289911 A206204 * A204075 A235068 A288985

Adjacent sequences: A251950 A251951 A251952 * A251954 A251955 A251956

Keyword

nonn

Author

R. H. Hardin, Dec 11 2014

Status

approved