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A216083 Number of horizontal and antidiagonal neighbor colorings of the odd squares of an nX7 array with new integer colors introduced in row major order 1
2, 136, 10900, 12297870, 4044766240, 18383343930862, 14216413305846436, 166176901557427161788, 238921763468063076499860, 5737167226254078112766902750, 13446078759879900390396507182880 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A216084

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..17

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A065963 A226118 A216030 * A000662 A139907 A195379

Adjacent sequences:  A216080 A216081 A216082 * A216084 A216085 A216086

KEYWORD

nonn

AUTHOR

R. H. Hardin Sep 01 2012

STATUS

approved

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Last modified November 16 12:40 EST 2018. Contains 317272 sequences. (Running on oeis4.)