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A222377
Number of nX6 0..3 arrays with no more than floor(nX6/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..3 order
0
14, 234, 8111, 342953, 16985929, 963154789, 61522684225, 4169901076870, 296032656700259, 21407365398250792
OFFSET
1,1
COMMENTS
Column 6 of A222378
EXAMPLE
Some solutions for n=4
..0..0..0..0..1..0....0..0..0..1..0..2....0..0..0..0..0..1....0..0..0..0..1..0
..0..0..0..2..1..2....0..0..0..0..0..2....0..0..0..0..1..2....0..0..0..0..2..3
..0..0..0..0..1..1....0..0..0..0..2..1....0..0..0..1..2..2....0..0..0..0..1..3
..0..0..0..0..0..3....0..0..0..0..0..3....0..0..0..1..1..2....0..0..0..0..3..1
CROSSREFS
Sequence in context: A230346 A280559 A305862 * A220502 A256462 A166774
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 17 2013
STATUS
approved