A252909 Number of (n+2)X(5+2) 0..3 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

148002, 1984711, 31101826, 551697392, 10071548995, 185083140208, 3432079272308, 63917781774130, 1189216087999842, 22172790012297477, 413807264155508155, 7714424687633807507, 143952001359423896720

Offset

1,1

Comments

Column 5 of A252910

Links

R. H. Hardin, Table of n, a(n) for n = 1..16

Example

Some solutions for n=1
..0..0..1..0..1..0..0....0..0..1..1..0..1..0....0..1..0..0..1..1..0
..1..0..1..1..2..2..0....1..1..0..1..1..2..2....2..1..1..2..1..1..2
..1..1..0..1..1..2..2....0..0..1..0..1..1..2....0..3..0..0..2..0..2

Crossrefs

Sequence in context: A195363 A224424 A065323 * A254088 A254095 A029566

Adjacent sequences: A252906 A252907 A252908 * A252910 A252911 A252912

Keyword

nonn

Author

R. H. Hardin, Dec 24 2014

Status

approved