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A239823
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Number of 5Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it, modulo 4
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1
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57, 2981, 204779, 13597573, 884977259, 58232200212, 3842974545029, 253291756984373, 16698512969146104, 1101377884320804108, 72647284903645567684, 4791845462621985366247, 316083646998469552591720
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=2
..3..2....3..0....2..3....3..2....2..0....2..0....3..0....2..3....3..2....2..0
..2..1....3..2....2..1....3..0....1..3....1..0....1..0....1..3....1..0....1..2
..3..1....1..2....3..0....2..1....2..1....1..0....2..3....2..1....3..1....3..1
..3..0....1..2....3..0....2..1....3..2....3..0....1..2....3..1....1..2....1..3
..2..0....3..0....2..3....1..0....2..1....2..0....2..0....3..2....2..3....2..1
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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