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A222517
Number of nX3 0..3 arrays with exactly floor(nX3/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..3 order
1
0, 0, 4, 37, 0, 1302, 1318, 90581, 70734, 5931248, 5165434, 396589283, 363819326, 26492741018, 25813321786, 1772163042969, 1828692355062, 118639519688172, 129482347946176, 7949399002469286, 9161368832882458, 533108011913115020
OFFSET
1,3
COMMENTS
Column 3 of A222522
LINKS
EXAMPLE
Some solutions for n=4
..0..1..1....0..1..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..2..2..2....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....1..1..1
..2..2..2....0..0..0....0..0..0....1..1..1....0..0..0....1..0..0....1..1..1
..2..2..2....0..0..0....1..1..2....1..1..1....1..2..2....0..0..0....1..1..1
CROSSREFS
Sequence in context: A296136 A061024 A297105 * A103369 A031189 A045555
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 23 2013
STATUS
approved