A206635 T(n,k) = Number of (n+1) X (k+1) 0..2 arrays with every 2 X 3 or 3 X 2 subblock having no more than four equal edges, and new values 0..2 introduced in row major order.

14, 121, 121, 1085, 3232, 1085, 9729, 86392, 86392, 9729, 87238, 2309200, 6885875, 2309200, 87238, 782246, 61723264, 548812835, 548812835, 61723264, 782246, 7014246, 1649819344, 43740991174, 130424683977, 43740991174, 1649819344

Offset

1,1

Comments

Table starts:

.......14...........121..............1085..................9729

......121..........3232.............86392...............2309200

.....1085.........86392...........6885875.............548812835

.....9729.......2309200.........548812835..........130424683977

....87238......61723264.......43740991174........30995204476194

...782246....1649819344.....3486207195767......7365962082764193

..7014246...44098506880...277854703424333...1750509332449744133

.62895364.1178721971776.22145337882995800.416005797001053603530

Links

R. H. Hardin, Table of n, a(n) for n = 1..179

Example

Some solutions for n=4, k=3:
..0..0..0..0....0..0..1..1....0..1..0..1....0..1..0..0....0..1..0..2
..1..0..0..1....1..1..1..0....2..2..1..0....1..1..1..0....1..2..2..1
..2..1..0..0....1..2..1..2....1..1..0..0....2..1..2..2....1..0..1..1
..2..0..0..0....0..1..2..1....2..0..0..0....2..0..2..1....0..0..2..0
..2..0..0..1....2..0..0..1....0..1..1..0....1..1..1..0....0..2..0..0

Crossrefs

Sequence in context: A004312 A002056 A249980 * A163942 A206628 A370966

Adjacent sequences: A206632 A206633 A206634 * A206636 A206637 A206638

Keyword

nonn,tabl

Author

R. H. Hardin, Feb 10 2012

Status

approved