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Search: id:A111180
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| A111180 |
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Product_{k=1..n} p(k)!, where p(k) is k-th prime. |
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+0
1
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| 1, 2, 12, 1440, 7257600, 289700167680000, 1803968969906847744000000, 641649083271157094762019815424000000000, 78053467161754909919949074014980107579424768000000000000
(list; graph; listen)
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OFFSET
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0,2
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LINKS
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Leroy Quet, Home Page (listed in lieu of email address)
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EXAMPLE
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2, 3, 5 and 7 are the first 4 primes. So a(4) = 2! * 3! * 5! * 7! = 2 *6 *120 *5040 = 7257600.
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MATHEMATICA
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Table[ Product[ Prime[i]!, {i, n}], {n, 0, 8}] (* Robert G. Wilson v *)
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CROSSREFS
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Cf. A039716.
Sequence in context: A081701 A069714 A123743 this_sequence A085912 A085895 A090904
Adjacent sequences: A111177 A111178 A111179 this_sequence A111181 A111182 A111183
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KEYWORD
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easy,nonn
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AUTHOR
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Leroy Quet Oct 22 2005
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EXTENSIONS
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More terms from Robert G. Wilson v (rgwv(at)rgwv.com), Oct 29 2005
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