A255146 Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 and no antidiagonal sum 0 and no row sum 1 and no column sum 1

2086, 16386, 143993, 1241971, 10864279, 96066842, 848440805, 7490188992, 66184319354, 584890655201, 5168135028307, 45667737307919, 403555284149938, 3566080828420099, 31512096821905810, 278461913770685132

Offset

1,1

Comments

Column 5 of A255149

Links

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

Example

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

Crossrefs

Cf. A255149

Sequence in context: A306421 A201917 A250076 * A293106 A221360 A106720

Adjacent sequences: A255143 A255144 A255145 * A255147 A255148 A255149

Keyword

nonn

Author

R. H. Hardin, Feb 15 2015

Status

approved