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A216030 Number of horizontal, vertical and diagonal neighbor colorings of the odd squares of an nX7 array with new integer colors introduced in row major order 0
2, 136, 7050, 5219070, 1355988481, 4761748786964 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A216031
LINKS
EXAMPLE
Some solutions for n=4
..x..0..x..1..x..2..x....x..0..x..1..x..2..x....x..0..x..1..x..2..x
..0..x..1..x..3..x..4....0..x..1..x..3..x..4....0..x..1..x..0..x..3
..x..2..x..5..x..4..x....x..2..x..0..x..5..x....x..2..x..4..x..5..x
..2..x..3..x..0..x..3....2..x..3..x..6..x..0....6..x..5..x..7..x..1
CROSSREFS
Sequence in context: A065963 A353012 A226118 * A216083 A000662 A139907
KEYWORD
nonn
AUTHOR
R. H. Hardin Aug 30 2012
STATUS
approved

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Last modified July 21 14:09 EDT 2024. Contains 374474 sequences. (Running on oeis4.)