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A354351
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Dirichlet inverse of A108951, primorial inflation of n.
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6
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1, -2, -6, 0, -30, 12, -210, 0, 0, 60, -2310, 0, -30030, 420, 180, 0, -510510, 0, -9699690, 0, 1260, 4620, -223092870, 0, 0, 60060, 0, 0, -6469693230, -360, -200560490130, 0, 13860, 1021020, 6300, 0, -7420738134810, 19399380, 180180, 0, -304250263527210, -2520, -13082761331670030, 0, 0, 446185740, -614889782588491410
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OFFSET
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1,2
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COMMENTS
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Multiplicative with a(p^e) = 0 if e > 1, and -A034386(p) otherwise.
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LINKS
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FORMULA
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a(1) = 1, and for n > 1, a(n) = -Sum_{d|n, d < n} A108951(n/d) * a(d).
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PROG
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(PARI)
A002110(n) = prod(i=1, n, prime(i));
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CROSSREFS
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KEYWORD
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sign,mult
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AUTHOR
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STATUS
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approved
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