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A241347
Number of nX4 0..3 arrays with no element equal to the same number of vertical neighbors as horizontal neighbors, with new values 0..3 introduced in row major order
1
2, 22, 415, 10998, 295782, 8216943, 229552661, 6440926150, 180941958872, 5086440781934, 143018442461614, 4021763658647636, 113099275164521657, 3180615701360043164, 89447028720676238703, 2515486937762307225624
OFFSET
1,1
COMMENTS
Column 4 of A241349
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..0....0..1..2..1....0..0..0..0....0..0..1..1....0..1..2..3
..1..0..1..1....0..1..2..1....1..1..1..2....2..2..0..0....0..1..2..3
..1..0..2..2....3..0..0..2....2..1..0..2....3..1..1..3....0..2..2..2
..1..3..3..3....3..1..1..2....2..0..0..0....3..0..0..3....0..1..1..1
CROSSREFS
Sequence in context: A287595 A201511 A264839 * A163436 A377577 A328158
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 19 2014
STATUS
approved