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A104126
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Prime(n)^(prime(n)+1).
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4
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OFFSET
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1,1
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COMMENTS
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Sum of reciprocals rapidly converges to 0.1374098524791901212366977116..
A182938(a(n)) = 0. [Reinhard Zumkeller, Feb 18 2012]
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LINKS
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_Reinhard Zumkeller_, Table of n, a(n) for n = 1..75
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PROG
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(PARI) ptopp1(n) = { local(x, y, z, sr=0); forprime(x=1, n, y=x^(x+1); z=(x+1)^x; sr+=1./y; print1(y", "); ); print(); print(sr) }
(Haskell)
a104126 n = p ^ (p + 1) where p = a000040 n
-- Reinhard Zumkeller, Feb 18 2012
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CROSSREFS
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Cf. A051674, A000040.
Sequence in context: A145921 A100399 A022504 * A100879 A080811 A073699
Adjacent sequences: A104123 A104124 A104125 * A104127 A104128 A104129
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KEYWORD
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easy,nonn
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AUTHOR
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Cino Hilliard (hillcino368(AT)gmail.com), Mar 06 2005
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EXTENSIONS
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Offset corrected by Reinhard Zumkeller, Feb 18 2012
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STATUS
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approved
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