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A216028 Number of horizontal, vertical and diagonal neighbor colorings of the odd squares of an nX5 array with new integer colors introduced in row major order 0
1, 12, 97, 6150, 146327, 30312074, 1355988481, 609400419815, 42505520884540, 33926900616984192, 3335043669700991645 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A216031

LINKS

Table of n, a(n) for n=1..11.

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

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

..x..4..x..0..x....x..4..x..0..x....x..5..x..4..x....x..2..x..0..x

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

CROSSREFS

Sequence in context: A128594 A166793 A041268 * A238755 A159449 A282285

Adjacent sequences:  A216025 A216026 A216027 * A216029 A216030 A216031

KEYWORD

nonn

AUTHOR

R. H. Hardin Aug 30 2012

STATUS

approved

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Last modified September 22 15:04 EDT 2020. Contains 337291 sequences. (Running on oeis4.)