A268091 Number of nX6 0..2 arrays with every repeated value in every row not one larger and in every column one larger mod 3 than the previous repeated value, and upper left element zero.

208, 129792, 40109966, 11291781118, 2513690254246, 517166705601727, 95786441193596382, 16778389888017506701

Offset

1,1

Comments

Column 6 of A268092.

Links

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

Example

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

Crossrefs

Cf. A268092.

Sequence in context: A223252 A223610 A184276 * A209300 A003740 A303688

Adjacent sequences: A268088 A268089 A268090 * A268092 A268093 A268094

Keyword

nonn

Author

R. H. Hardin, Jan 26 2016

Status

approved