A232428 Number of (n+1)X(4+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or vertically

240, 14592, 650696, 31127576, 1595145428, 78230147672, 3847288654852, 190729773692400, 9418543950518992, 465201628773461436, 22991571739963061116, 1135931527948142688780, 56123930688446251301676

Offset

1,1

Comments

Column 4 of A232431

Links

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

Example

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

Crossrefs

Sequence in context: A292883 A292075 A035841 * A338562 A342990 A342306

Adjacent sequences: A232425 A232426 A232427 * A232429 A232430 A232431

Keyword

nonn

Author

R. H. Hardin, Nov 23 2013

Status

approved