A205410 Number of (n+2)X5 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly two ways, and new values 0..2 introduced in row major order

33322, 549414, 10331386, 151598017, 2553087985, 45661264026, 735422130329, 12286397087182, 212128668698876, 3518160933737460, 58829708185415817, 999828369246325845, 16744112843227770105, 280613932821800402695

Offset

1,1

Comments

Column 3 of A205415

Links

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

Example

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

Crossrefs

Sequence in context: A203619 A170798 A043628 * A337953 A210720 A233751

Adjacent sequences: A205407 A205408 A205409 * A205411 A205412 A205413

Keyword

nonn

Author

R. H. Hardin Jan 26 2012

Status

approved