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A208787
Number of nX7 nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to any antidiagonal neighbor (colorings ignoring permutations of colors)
0
877, 76282138, 122941305336223, 1203020866861467699281, 44686267945588240647176350202, 4816230734184037369523912393674851309
OFFSET
1,1
COMMENTS
Column 7 of A208788
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..1..0..0
..1..1..1..1..1..1..0....1..1..1..1..1..1..0....1..1..1..0..1..1..0
..2..0..0..0..0..1..0....0..0..2..0..0..1..3....0..0..1..0..0..1..1
..1..1..1..1..0..1..0....1..1..1..2..0..0..1....1..0..1..1..0..0..1
CROSSREFS
Sequence in context: A209464 A209526 A208307 * A208587 A208472 A093943
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 01 2012
STATUS
approved