A205606 Number of (n+1)X6 0..3 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..3 introduced in row major order

16955, 946066, 57807612, 3504441046, 219511132715, 13403364530330, 833667153942097, 51183941619859368, 3173982363816159170, 195291654121671389936, 12088727680335871598955, 744871637305160867625274

Offset

1,1

Comments

Column 5 of A205609

Links

R. H. Hardin, Table of n, a(n) for n = 1..75

Example

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

Crossrefs

Sequence in context: A233498 A233490 A233489 * A205437 A235978 A326808

Adjacent sequences: A205603 A205604 A205605 * A205607 A205608 A205609

Keyword

nonn

Author

R. H. Hardin Jan 29 2012

Status

approved