A216082 Number of horizontal and antidiagonal neighbor colorings of the odd squares of an nX6 array with new integer colors introduced in row major order

2, 34, 2440, 322768, 87852160, 33093252880, 20358402201792, 15604440074084672, 17423570614012565376, 22946861101272125055616, 41082882676098706722895360, 83889915459846520832774898688, 222247072052822589353800809064448

Offset

1,1

Comments

Column 6 of A216084

Links

R. H. Hardin, Table of n, a(n) for n = 1..26

Example

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

Crossrefs

Sequence in context: A198718 A198909 A207865 * A165938 A255434 A206501

Adjacent sequences: A216079 A216080 A216081 * A216083 A216084 A216085

Keyword

nonn

Author

R. H. Hardin Sep 01 2012

Status

approved