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A204527
Number of (n+2)X4 0..3 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally, and new values 0..3 introduced in row major order
1
145760, 15713085, 1803801730, 161070061826, 16182427177333, 1639434747658238, 159950005645169941, 15886971277197776321, 1579652667608040172323, 156196326978244203268552, 15486063123621706338330719
OFFSET
1,1
COMMENTS
Column 2 of A204530
LINKS
EXAMPLE
Some solutions for n=3
..0..0..0..0....0..0..0..1....0..1..1..0....0..1..0..0....0..0..0..0
..0..0..0..1....0..0..0..2....0..0..1..0....1..1..0..0....0..1..0..0
..1..0..1..0....3..1..1..0....1..0..0..0....0..0..0..1....2..2..1..2
..0..1..1..1....0..1..1..1....1..1..1..0....0..2..2..2....1..1..1..1
..2..1..1..0....0..3..1..1....2..3..0..1....0..3..2..3....0..3..3..0
CROSSREFS
Sequence in context: A209968 A233915 A237297 * A345753 A110084 A224587
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 15 2012
STATUS
approved