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A216458 Number of horizontal, diagonal and antidiagonal neighbor colorings of the even squares of an nX5 array with new integer colors introduced in row major order 1
2, 5, 203, 3429, 580479, 20880505, 8195008751, 484968748793, 348950573407587, 30012936243058237, 34789578208577116867, 4040674235335081456861, 6947043903258606579346103, 1037627124289198371293601937 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A216460

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..24

EXAMPLE

Some solutions for n=4

..0..x..1..x..2....0..x..1..x..2....0..x..1..x..2....0..x..1..x..2

..x..3..x..4..x....x..2..x..3..x....x..3..x..0..x....x..3..x..0..x

..0..x..2..x..5....3..x..1..x..0....4..x..1..x..5....2..x..1..x..3

..x..3..x..0..x....x..0..x..4..x....x..0..x..6..x....x..4..x..0..x

CROSSREFS

Sequence in context: A006271 A013105 A208210 * A027682 A096695 A084297

Adjacent sequences:  A216455 A216456 A216457 * A216459 A216460 A216461

KEYWORD

nonn

AUTHOR

R. H. Hardin Sep 07 2012

STATUS

approved

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Last modified January 27 17:58 EST 2020. Contains 331296 sequences. (Running on oeis4.)