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A208786
Number of n X 6 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
203, 1788850, 193010377345, 96847533172181917, 151244023549144862428002, 584640904301741699504623887947, 4816230734184037369523912393674851309, 76044892493064011078851904329265333088930722
OFFSET
1,1
COMMENTS
Column 6 of A208788.
EXAMPLE
Some solutions for n=4
..0..0..1..0..0..0....0..1..0..0..0..1....0..1..0..1..0..0....0..0..0..1..0..0
..1..0..1..1..1..0....0..1..1..1..0..0....2..1..0..1..1..0....1..1..0..1..1..0
..1..0..0..0..1..2....0..0..0..1..1..1....0..1..3..0..1..0....0..1..0..0..2..0
..1..1..1..0..0..0....1..1..0..0..0..0....0..0..1..0..1..0....0..1..1..0..1..0
CROSSREFS
Cf. A208788.
Sequence in context: A145635 A319783 A208306 * A208586 A208465 A208471
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 01 2012
STATUS
approved