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A094289
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Decimal expansion of Sum(1/p^p) where p is prime.
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8
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2, 8, 7, 3, 5, 8, 2, 5, 1, 3, 0, 6, 2, 2, 4, 1, 7, 9, 7, 3, 6, 4, 1, 8, 0, 4, 5, 8, 7, 8, 9, 3, 2, 2, 0, 6, 9, 5, 5, 9, 0, 8, 8, 0, 2, 6, 8, 5, 8, 8, 1, 7, 0, 9, 2, 9, 9, 4, 9, 9, 3, 6, 8, 9, 4, 7, 0, 8, 9, 3, 2, 9, 2, 7, 8, 6, 8, 8, 9, 3, 9, 7, 7, 0, 2, 0, 9, 1, 2, 4, 2, 8, 0, 0, 2, 9, 0, 9, 0, 0, 5, 5, 9, 2, 9
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OFFSET
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0,1
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COMMENTS
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This constant approximately equals 5226294/18187381 - Yalcin (aktaryalcin(AT)msn.com), Nov 05 2006
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LINKS
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Table of n, a(n) for n=0..104.
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EXAMPLE
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0.287358251306224179736418045878932206955908802685881709299499368947089...
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MAPLE
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P:=proc(n) local k, i; for i from 1 by 1 to n do print(evalf(sum('1/(ithprime(k)^ithprime(k))', 'k'=1..i), 100)); od; end: P(100); - Paolo P. Lava and Giorgio Balzarotti, Feb 07 2008
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PROG
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(PARI) ptothep(n) = { local(x, s, a); default(realprecision, 200); s=0; forprime(x=2, n, s+=1./x^x); a=Vec(Str(s)); for(x=3, n, print1(eval(a[x]), ", ")) }
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CROSSREFS
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Cf. A073009, A083648.
Sequence in context: A135725 A093624 A021352 * A051429 A027606 A202693
Adjacent sequences: A094286 A094287 A094288 * A094290 A094291 A094292
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KEYWORD
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nonn,cons
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AUTHOR
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Cino Hilliard (hillcino368(AT)gmail.com), Jul 31 2004
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EXTENSIONS
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Offset corrected by R. J. Mathar, Feb 05 2009
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STATUS
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approved
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