A205360 Number of (n+1)X8 0..2 arrays with every 2X2 subblock having the same number of equal diagonal or antidiagonal elements, and new values 0..2 introduced in row major order

49154, 1716002, 65916482, 2826905666, 128108142146, 6018114334610, 288041668868162, 13931657348458802, 677523603472081922, 33046448436950370962, 1614344313018061361282, 78926896222596344204162

Offset

1,1

Comments

Column 7 of A205361

Links

R. H. Hardin, Table of n, a(n) for n = 1..58

Example

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

Crossrefs

Sequence in context: A204627 A079400 A205625 * A045085 A304020 A305696

Adjacent sequences: A205357 A205358 A205359 * A205361 A205362 A205363

Keyword

nonn

Author

R. H. Hardin Jan 26 2012

Status

approved