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A262974 Decimal expansion of Sum_{n>0}(-1/n)^(n-1). 0
5, 9, 6, 9, 6, 5, 5, 5, 5, 5, 7, 8, 4, 8, 3, 2, 2, 4, 5, 7, 9, 1, 2, 7, 3, 6, 6, 4, 9, 2, 5, 6, 9, 1, 8, 3, 1, 6, 4, 5, 8, 8, 3, 7, 5, 8, 4, 1, 1, 3, 6, 6, 9, 6, 0, 2, 1, 7, 9, 9, 0, 1, 2, 5, 1, 6, 6, 9, 7, 8, 6, 1, 3, 3, 2, 4, 2, 3, 4, 1, 2, 7, 9, 1, 0, 6, 6, 0, 5, 0, 2, 7, 8, 6, 4, 9, 3, 6, 2, 5, 4, 6, 8, 9, 5 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..104.

EXAMPLE

0.5969655555784832245791273664925691831645883...

MAPLE

evalf(Sum((-1/n)^(n-1), n=1..infinity), 120); # Vaclav Kotesovec, Oct 15 2015

MATHEMATICA

Sum[(-1/n)^(n-1), {n, 1, Infinity}]

PROG

(PARI) sumalt(n=1, (-1/n)^(n-1)) \\ Michel Marcus, Oct 06 2015

CROSSREFS

Cf. A083648, A098686.

Sequence in context: A201589 A198349 A176110 * A240723 A254154 A121060

Adjacent sequences:  A262971 A262972 A262973 * A262975 A262976 A262977

KEYWORD

nonn,cons

AUTHOR

Andrew Penton, Oct 05 2015

EXTENSIONS

More terms from Michel Marcus, Oct 15 2015

STATUS

approved

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Last modified June 22 23:15 EDT 2017. Contains 288633 sequences.