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A240421
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Number of nX5 0..3 arrays with no element equal to two plus the sum of elements to its left or two plus the sum of elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4
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1
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63, 2045, 52711, 1197511, 27488435, 619040901, 14838256141, 349768244657, 8746284074471, 212768975785239, 5439041489223935, 134541898503391615, 3471367418548587711, 86596907275765997247, 2241321207498299744197
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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=3
..0..0..0..0..3....0..0..1..0..1....0..3..3..3..1....0..1..0..0..1
..1..1..1..3..3....0..1..0..1..1....0..3..0..0..2....1..0..0..1..1
..0..1..0..2..2....0..0..1..1..2....3..3..2..3..3....0..0..1..1..2
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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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