A210093 Number of (n+1)X7 0..2 arrays containing all values 0..2 with every 2X2 subblock having one or two distinct values, and new values 0..2 introduced in row major order

25533, 3950131, 639141361, 105669469816, 17494242506253, 2887918719647127, 474898403448944567, 77812615400950466702, 12710796571218634152842, 2071176745552331907400501, 336822080971116756469578814

Offset

1,1

Comments

Column 6 of A210095

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A031837 A237865 A202646 * A184027 A023350 A163186

Adjacent sequences: A210090 A210091 A210092 * A210094 A210095 A210096

Keyword

nonn

Author

R. H. Hardin Mar 17 2012

Status

approved