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A239193
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Number of nX7 0..4 arrays with no element equal to the sum of elements to its left or the sum of elements above it, modulo 5
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1
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4352, 14700364, 52771184780, 182266933113924, 637384123700005952, 2217423860160887904628, 7729009194864231554969192, 26920608271552147526807393264, 93791464815062866314841873907296
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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=1
..3..1..2..2..1..3..1....2..4..3..2..4..2..4....1..2..2..2..3..2..3
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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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