A232522 Number of (7+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, diagonally or antidiagonally, with no adjacent elements equal

96, 46432, 14608, 8470018, 2523098, 1567758430, 476578496, 290251485142, 89402754458, 53730318968438, 16796508106338, 9946667826229952, 3154518323066878, 1841340756442051852, 592341043757928328

Offset

1,1

Comments

Row 7 of A232515

Links

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

Example

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

Crossrefs

Sequence in context: A276099 A233161 A269090 * A296061 A340396 A202929

Adjacent sequences: A232519 A232520 A232521 * A232523 A232524 A232525

Keyword

nonn

Author

R. H. Hardin, Nov 25 2013

Status

approved