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A181581
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Smallest k such that each of the five factorials (5k)!, (5k+1)!, (5k+2)!, (5k+3)! and (5k+4)! has exactly 10^n trailing 0's. Zero, if no such k exists.
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1
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1, 9, 81, 801, 8002, 80001, 800001, 8000002, 80000003, 800000003, 8000000003, 80000000003, 800000000002, 8000000000003, 80000000000004, 0, 0, 0, 800000000000000004, 8000000000000000003, 0, 800000000000000000005, 8000000000000000000006, 0
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OFFSET
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0,2
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COMMENTS
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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