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A252774
Number of (n+2)X(4+2) 0..3 arrays with every consecutive three elements in every row, column and nw-se diagonal having exactly two distinct values, and new values 0 upwards introduced in row major order
1
22295, 121043, 797340, 6142118, 51149836, 451291764, 4182615816, 39449312353, 381282828301, 3767301056971, 37191447134596, 371622619688928, 3754163562212629, 37678459964979454, 380924738976282695
OFFSET
1,1
COMMENTS
Column 4 of A252777
LINKS
EXAMPLE
Some solutions for n=2
..0..1..1..2..1..2....0..1..0..1..0..1....0..0..1..0..0..1....0..0..1..0..0..1
..0..0..1..0..0..2....2..1..1..0..0..1....0..1..0..0..2..0....2..0..0..1..1..2
..2..0..2..2..0..0....2..2..0..0..1..0....2..0..0..3..0..0....2..2..1..1..0..1
..2..1..1..2..1..2....0..1..0..1..0..1....2..1..1..0..0..3....1..0..1..0..0..1
CROSSREFS
Sequence in context: A251825 A119568 A204333 * A253042 A216202 A154094
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 21 2014
STATUS
approved