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A081701
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a(n) = prime(n) * (prime(n) - 1)^(prime(n) - 1).
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0
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2, 12, 1280, 326592, 110000000000, 115909305827328, 313594649253062377472, 747581753430634213933056, 7852841179377049820122874642432, 961220170284347871014609119347573568569344
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| The second, third and fourth terms a(n), n=2,3,4 are dimensions of certain Nichols algebras (quantum symmetric algebras) for which the generating space has dimension prime(n).
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EXAMPLE
| a(2) = 3 * 2^2 = 12 because prime(2) = 3.
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MAPLE
| for n from 1 to 10 do ithprime(n) * (ithprime(n)-1)^(ithprime(n)-1) od;
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CROSSREFS
| Cf. A000040.
Sequence in context: A177361 A138486 A022482 * A069714 A176391 A123743
Adjacent sequences: A081698 A081699 A081700 * A081702 A081703 A081704
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KEYWORD
| nonn
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AUTHOR
| Matias Grana [Mat'{i}as Gra~{n}a] (matiasg(AT)dm.uba.ar), Apr 02 2003
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