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

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

R. H. Hardin, Table of n, a(n) for n = 1..210

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

Adjacent sequences: A232908 A232909 A232910 * A232912 A232913 A232914

Keyword

nonn

Author

R. H. Hardin, Dec 02 2013

Status

approved