A252991 Number of (n+2)X(5+2) 0..2 arrays with every consecutive three elements in every row and column having exactly 2 distinct values, in every diagonal 1 or 2 distinct values, in every antidiagonal 2 or 3 distinct values, and new values 0 upwards introduced in row major order

66914, 782043, 10388030, 147972602, 2130083253, 30940948009, 451039578594, 6583353528238, 96167118477959, 1405366619424981, 20540286053637226, 300255007759191132, 4389360554959196205, 64167832448238692985

Offset

1,1

Comments

Column 5 of A252993

Links

R. H. Hardin, Table of n, a(n) for n = 1..78

Example

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

Crossrefs

Sequence in context: A234402 A235024 A235245 * A340404 A249193 A238068

Adjacent sequences: A252988 A252989 A252990 * A252992 A252993 A252994

Keyword

nonn

Author

R. H. Hardin, Dec 25 2014

Status

approved