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A232911
Number of (3+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally
1
8, 194, 4928, 68310, 1825972, 39641548, 778576484, 16941046024, 366984381420, 7699307708588, 163722495646996, 3499187607199144, 74334441273035192, 1580086539129305828, 33643430213848932176, 715767572615708704558
OFFSET
1,1
COMMENTS
Row 3 of A232908
LINKS
EXAMPLE
Some solutions for n=4
..2..1..0..2..2....2..1..0..1..2....2..1..2..2..1....0..1..1..2..0
..0..2..1..1..0....0..0..2..2..1....0..1..0..0..1....2..0..0..1..2
..1..0..1..2..0....1..2..1..0..2....2..1..0..2..2....2..1..1..0..2
..2..1..0..1..2....2..1..0..1..2....2..1..0..1..2....0..2..0..1..0
CROSSREFS
Sequence in context: A041269 A172340 A103500 * A338806 A119299 A363986
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 02 2013
STATUS
approved