login
A215923
Number of diagonal and antidiagonal neighbor colorings of the odd squares of an nX7 array with new integer colors introduced in row major order
0
5, 203, 12840, 14050312, 4044766240, 18383354944364, 12954733199158688, 152834703746357948488, 204451724239460493425216, 4971673449387903153569761420, 10980920102796579166081443367088
OFFSET
1,1
COMMENTS
Column 7 of A215924
EXAMPLE
Some solutions for n=3
..x..0..x..1..x..0..x....x..0..x..1..x..0..x....x..0..x..0..x..0..x
..2..x..3..x..2..x..3....1..x..2..x..3..x..1....1..x..2..x..2..x..2
..x..4..x..1..x..5..x....x..4..x..0..x..0..x....x..0..x..1..x..1..x
CROSSREFS
Sequence in context: A196587 A197044 A216615 * A208468 A070906 A208052
KEYWORD
nonn
AUTHOR
R. H. Hardin Aug 27 2012
STATUS
approved