A254851 Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum one and no antidiagonal sum two

13328, 16900, 34176, 99856, 296800, 902500, 2811104, 8773444, 26777920, 80389156, 241051180, 729864256, 2245069416, 6937890436, 21229314464, 64337307904, 194210751732, 588215370304, 1798168002120, 5520328813444, 16886469006088

Offset

1,1

Comments

Column 5 of A254854

Links

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

Example

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

Crossrefs

Sequence in context: A318252 A034625 A283155 * A162423 A176465 A185503

Adjacent sequences: A254848 A254849 A254850 * A254852 A254853 A254854

Keyword

nonn

Author

R. H. Hardin, Feb 08 2015

Status

approved