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A195960
Number of nX6 0..4 arrays with each element equal to the number its horizontal and vertical neighbors unequal to itself
1
2, 14, 44, 70, 93, 214, 410, 998, 2123, 4591, 11034, 26330, 60901, 143300, 345175, 823118, 1988085, 4777597, 11547151, 28117721, 68374283, 166223266, 405654362, 991476600, 2422998474, 5926884201, 14512749914, 35554454454, 87151183742
OFFSET
1,1
COMMENTS
Column 6 of A195962
LINKS
EXAMPLE
Some solutions for n=5
..2..1..1..3..1..1....2..1..1..3..1..1....1..1..3..1..1..2....1..3..2..3..2..1
..1..1..1..1..1..2....1..1..1..1..1..2....2..1..1..1..1..3....1..2..2..4..2..1
..1..3..3..1..1..2....1..3..3..1..1..2....2..1..1..3..1..1....1..2..3..3..2..1
..1..1..1..1..1..3....1..1..1..1..1..1....1..1..1..3..1..1....1..2..4..2..2..1
..2..1..1..3..1..1....2..1..1..2..2..1....1..3..1..1..1..2....1..2..3..2..3..1
CROSSREFS
Sequence in context: A297425 A108478 A262963 * A268684 A333052 A075036
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 25 2011
STATUS
approved