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A239984
Number of nX6 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4
1
1, 7, 65, 1495, 31226, 652346, 16721012, 381369904, 9009351655, 233083355837, 5373732732783, 130821770741989, 3240495708022575, 75383547521530003, 1859081645190913254, 44959584675029390497, 1062939483571455261657
OFFSET
1,2
COMMENTS
Column 6 of A239986
LINKS
EXAMPLE
Some solutions for n=3
..3..0..0..0..0..0....3..0..0..0..0..0....3..0..0..0..0..0....3..0..0..0..0..0
..2..1..0..0..0..0....2..3..0..0..0..0....2..3..0..3..3..0....2..3..0..0..3..3
..2..0..3..0..0..3....2..0..0..0..0..3....2..0..0..3..2..1....2..0..1..0..2..2
CROSSREFS
Sequence in context: A272646 A220067 A109779 * A274822 A179880 A297310
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 30 2014
STATUS
approved