A252880 Number of (n+2)X(4+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

211881, 1723377, 18443090, 225544537, 2937661429, 38915852537, 519647556034, 6964313043452, 93477448145117, 1255833489013735, 16880013708871116, 226940053379538005, 3051416477193106356, 41031467134019707877

Offset

1,1

Comments

Column 4 of A252882

Links

R. H. Hardin, Table of n, a(n) for n = 1..36

Example

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

Crossrefs

Sequence in context: A123103 A259756 A251511 * A158993 A231418 A246999

Adjacent sequences: A252877 A252878 A252879 * A252881 A252882 A252883

Keyword

nonn

Author

R. H. Hardin, Dec 24 2014

Status

approved