A216610 Number of horizontal, diagonal and antidiagonal neighbor colorings of the odd squares of an nX5 array with new integer colors introduced in row major order

1, 5, 41, 3429, 83437, 20880505, 942420901, 484968748793, 33862631596393, 30012936243058237, 2941251571063448753, 4040674235335081456861, 522798156103780731219765, 1037627124289198371293601937

Offset

1,2

Comments

Column 5 of A216612

Links

R. H. Hardin, Table of n, a(n) for n = 1..25

Example

Some solutions for n=4
..x..0..x..1..x....x..0..x..1..x....x..0..x..1..x....x..0..x..1..x
..2..x..3..x..4....2..x..3..x..0....2..x..3..x..4....1..x..2..x..3
..x..5..x..0..x....x..4..x..1..x....x..5..x..6..x....x..4..x..1..x
..2..x..1..x..5....3..x..0..x..2....4..x..1..x..5....5..x..6..x..2

Crossrefs

Sequence in context: A065035 A340535 A145008 * A025173 A222474 A327269

Adjacent sequences: A216607 A216608 A216609 * A216611 A216612 A216613

Keyword

nonn

Author

R. H. Hardin Sep 10 2012

Status

approved