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A252887
Number of (5+2) X (n+2) 0..2 arrays with every consecutive three elements in every row having 2 or 3 distinct values, in every column 1 or 2 distinct values, in every diagonal 2 distinct values, and in every antidiagonal 2 distinct values, and new values 0 upwards introduced in row major order.
1
717426, 9590968, 160464987, 2937661429, 55869292808, 1063774566780, 20361858579086, 390655281525121, 7491014851778687, 143863188831952554, 2762695897224511101, 53040833335697274698, 1018801052975092493137
OFFSET
1,1
COMMENTS
Row 5 of A252882.
LINKS
EXAMPLE
Some solutions for n=1
..0..0..1....0..0..1....0..0..1....0..0..1....0..0..1....0..0..1....0..0..1
..0..0..1....0..1..1....0..1..0....0..1..1....0..2..2....0..2..2....0..0..1
..0..0..2....0..1..1....0..1..0....0..1..1....1..2..2....1..2..2....0..0..1
..0..0..2....2..2..1....0..2..0....2..1..0....0..2..0....0..2..2....0..1..1
..2..1..2....2..2..0....0..1..0....0..2..0....1..0..2....0..2..2....0..0..1
..2..0..0....2..2..0....0..2..0....0..1..1....1..2..2....0..2..2....0..0..1
..0..1..0....2..1..0....2..1..2....1..2..0....1..2..1....1..1..0....0..2..1
CROSSREFS
Cf. A252882.
Sequence in context: A249210 A102501 A301643 * A204403 A250372 A015346
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 24 2014
STATUS
approved