A255098 Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 1 and no row sum 1 and no column sum 1

991, 4075, 20928, 106848, 554091, 2926453, 15422602, 81332263, 430226255, 2275433973, 12028214483, 63607958682, 336465322704, 1779684383267, 9412837323571, 49786045320471, 263334619372205, 1392868454109118

Offset

1,1

Comments

Column 5 of A255101

Links

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

R. H. Hardin, Empirical recurrence of order 83

Formula

Empirical recurrence of order 83 (see link above)

Example

Some solutions for n=4
..1..0..1..1..1..0..1....1..1..1..1..1..1..1....0..1..1..1..1..1..1
..1..1..1..0..1..1..0....1..0..1..1..1..1..1....1..1..1..1..1..1..1
..1..1..1..1..1..1..1....1..1..1..0..1..1..1....1..1..1..1..1..1..0
..1..1..0..1..1..1..1....1..1..1..1..1..0..1....1..0..1..1..0..1..1
..1..1..1..1..1..1..1....1..1..0..1..1..1..1....1..1..1..1..1..1..1
..1..0..1..1..1..1..1....0..1..1..1..0..1..1....1..1..1..1..1..0..1

Crossrefs

Cf. A255101

Sequence in context: A365598 A031790 A137703 * A155509 A093177 A161926

Adjacent sequences: A255095 A255096 A255097 * A255099 A255100 A255101

Keyword

nonn

Author

R. H. Hardin, Feb 14 2015

Status

approved