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A062309
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Number of ways writing n! as sums of a prime and a nonprime.
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0
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0, 0, 2, 3, 6, 50, 307, 2329, 19907, 181263, 1736542, 19044663, 220730823
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OFFSET
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1,3
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LINKS
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FORMULA
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EXAMPLE
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n = 4: 4! = 24 = 23+1 = 2+22 = 3+21, so a(4) = 3.
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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