A206621 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X3 or 3X2 subblock having no more than two equal edges, and new values 0..2 introduced in row major order

14, 86, 86, 580, 1155, 580, 4035, 17708, 17708, 4035, 27895, 270869, 623933, 270869, 27895, 192358, 4099700, 21744156, 21744156, 4099700, 192358, 1327931, 62250328, 752689692, 1719525751, 752689692, 62250328, 1327931, 9168477, 945314307

Offset

1,1

Comments

Table starts

......14..........86............580..............4035.................27895

......86........1155..........17708............270869...............4099700

.....580.......17708.........623933..........21744156.............752689692

....4035......270869.......21744156........1719525751..........135010973857

...27895.....4099700......752689692......135010973857........24021101375251

..192358....62250328....26135187233....10633148505553......4289914143971114

.1327931...945314307...907138039901...837071761231340....765786718381692875

.9168477.14350695690.31481198946322.65890955765683798.136684817422844172008

Links

R. H. Hardin, Table of n, a(n) for n = 1..84

Example

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

Crossrefs

Sequence in context: A272103 A244865 A059600 * A372148 A213121 A125324

Adjacent sequences: A206618 A206619 A206620 * A206622 A206623 A206624

Keyword

nonn,tabl

Author

R. H. Hardin Feb 10 2012

Status

approved