A241128 Number of nX5 0..2 arrays with no element equal to exactly two horizontal and vertical neighbors, with new values 0..2 introduced in row major order

30, 1965, 132369, 8974020, 611547441, 41661463219, 2838552905280, 193403197619803, 13177423185201303, 897837461485635262, 61173728850055840649, 4168043075184317942781, 283987643903962340437622

Offset

1,1

Comments

Column 5 of A241130

Links

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

Example

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

Crossrefs

Sequence in context: A112003 A280670 A092608 * A330598 A255958 A092617

Adjacent sequences: A241125 A241126 A241127 * A241129 A241130 A241131

Keyword

nonn

Author

R. H. Hardin, Apr 16 2014

Status

approved