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A258629
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Number of length n 1..(6+1) arrays with every leading partial sum divisible by 2, 3, 5 or 7
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1
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6, 36, 179, 830, 4021, 20462, 105719, 546640, 2789557, 14124297, 72747664, 384855118, 2060047003, 10964114671, 57622430383, 299660342435, 1554362454308, 8134330914022, 43385023307315, 236387936969270, 1304057368544653
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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=8
..2....2....2....2....2....2....2....2....2....2....2....2....2....2....2....2
..3....1....5....2....3....5....1....2....2....6....4....4....2....4....6....6
..2....7....2....5....1....3....7....1....1....2....1....2....1....4....2....4
..2....5....3....3....1....2....4....7....3....4....1....6....2....2....2....2
..7....1....2....3....3....6....2....6....7....7....6....1....1....2....4....1
..4....6....1....3....4....2....5....6....5....5....1....3....6....7....2....5
..2....3....5....6....1....5....6....2....7....2....5....7....2....5....4....6
..5....3....2....2....1....7....6....2....3....4....6....7....2....2....6....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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