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A086648
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Decimal expansion of the sum n^(-2n) for n=1 through infinity.
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0
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1, 0, 6, 3, 8, 8, 7, 1, 0, 3, 7, 6, 2, 4, 1, 7, 0, 1, 1, 7, 4, 6, 4, 9, 1, 1, 1, 7, 6, 6, 0, 0, 1, 1, 1, 1, 5, 7, 2, 7, 1, 9, 9, 0, 7, 6, 8, 9, 1, 5, 9, 9, 2, 8, 6, 6, 3, 4, 0, 8, 3, 8, 6, 9, 6, 6, 7, 9, 4, 6, 6, 5, 5, 0, 7, 6, 0, 6, 5, 7, 3, 2, 5, 5, 5, 6, 2, 0, 8, 9, 0, 6, 9, 1, 9, 8, 7, 5, 1, 9, 4, 0, 2, 6, 6
(list; constant; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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COMMENTS
| This number is the sum of the inverses of the terms in the sequence A062206.
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EXAMPLE
| 1.063887103762417011746491117660011115727199076891599286634083869667...
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PROG
| (PARI) suminf(k=1, 1./k^(2*k)) [From Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net), Mar 23 2010]
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CROSSREFS
| Cf. A062206.
Cf. A073009. [From Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net), Mar 23 2010]
Sequence in context: A197135 A088246 A179559 * A199447 A198836 A153632
Adjacent sequences: A086645 A086646 A086647 * A086649 A086650 A086651
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KEYWORD
| cons,easy,nonn
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AUTHOR
| Christopher M. Tomaszewski (cmt1288(AT)comcast.net), Jul 26 2003
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EXTENSIONS
| Clarified definition - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 06 2009
More terms from Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net), Mar 23 2010
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