A205437 Number of (n+1)X6 0..3 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..3 introduced in row major order

16955, 2052727, 375775257, 76421483407, 15852623627426, 3300774182686057, 687760437018264199, 143323394012947339038, 29868139295656105901476, 6224456016674663414711676, 1297164488972062217238704659

Offset

1,1

Comments

Column 5 of A205440

Links

R. H. Hardin, Table of n, a(n) for n = 1..69

Example

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

Crossrefs

Sequence in context: A233490 A233489 A205606 * A235978 A326808 A300151

Adjacent sequences: A205434 A205435 A205436 * A205438 A205439 A205440

Keyword

nonn

Author

R. H. Hardin Jan 27 2012

Status

approved