A268025 Number of nX6 0..2 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value.

622, 386884, 117582228, 32747526923, 7174118632004, 1411837587469431, 246293069495528675, 39525521232781700051

Offset

1,1

Comments

Column 6 of A268026.

Links

Table of n, a(n) for n=1..8.

Example

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

Crossrefs

Cf. A268026.

Sequence in context: A260764 A224432 A229318 * A207554 A207548 A207315

Adjacent sequences: A268022 A268023 A268024 * A268026 A268027 A268028

Keyword

nonn

Author

R. H. Hardin, Jan 24 2016

Status

approved