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A092922
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a(1) = prime(1), a(2) = prime(prime( a(1) )), a(3) = prime(prime(prime( a(2) ))), a(4) = prime(prime(prime(prime( a(3) )))), etc.
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OFFSET
| 1,1
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MAPLE
| ithprime(1); ithprime(ithprime(%)); ithprime(ithprime(ithprime(%))); ithprime(ithprime(ithprime(ithprime(%))));
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MATHEMATICA
| a[1] = 2; a[n_] := Nest[Prime, a[n - 1], n]; Table[ a[n], {n, 5}] (from Robert G. Wilson v Dec 24 2004)
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CROSSREFS
| Cf. A007097, the primeth recurrence.
Sequence in context: A015172 A132526 A175978 * A093865 A139484 A088271
Adjacent sequences: A092919 A092920 A092921 * A092923 A092924 A092925
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KEYWORD
| nonn
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AUTHOR
| Jorge Coveiro (jorgecoveiro(AT)yahoo.com), Apr 17 2004
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EXTENSIONS
| a(5) from Robert G. Wilson v Dec 24 2004
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