A208785 Number of nX5 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)

52, 52922, 435411946, 12766857248692, 955922762706415420, 151244023549144862428002, 44686267945588240647176350202, 22589542271333429475349029067616724

Offset

1,1

Comments

Column 5 of A208788

Links

R. H. Hardin, Table of n, a(n) for n = 1..18

Example

Some solutions for n=4
..0..0..0..0..0....0..0..0..0..0....0..0..0..1..0....0..0..0..0..0
..1..2..1..1..0....1..1..1..1..1....1..1..0..1..1....1..1..1..1..0
..0..0..0..1..0....0..0..0..0..0....0..1..0..0..0....0..0..2..1..0
..1..1..2..3..0....1..1..1..2..0....2..1..1..1..0....1..0..0..3..0

Crossrefs

Sequence in context: A230532 A157280 A182924 * A206388 A263223 A198525

Adjacent sequences: A208782 A208783 A208784 * A208786 A208787 A208788

Keyword

nonn

Author

R. H. Hardin Mar 01 2012

Status

approved