A209827 Number of (n+1)X7 0..2 arrays with every 2X2 subblock having one or two distinct values, and new values 0..2 introduced in row major order

33725, 4998707, 773359089, 122849339000, 19693265761805, 3169393696357783, 510927200467908535, 82424301419377854606, 13301092381577339804554, 2146734609278246230819637, 346493487528033789867228222

Offset

1,1

Comments

Column 6 of A209829

Links

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

Example

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

Crossrefs

Sequence in context: A355142 A297127 A234187 * A235735 A235516 A204949

Adjacent sequences: A209824 A209825 A209826 * A209828 A209829 A209830

Keyword

nonn

Author

R. H. Hardin Mar 13 2012

Status

approved