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A269992 Decimal expansion of sum{2^(1-n)/L(n) : n >= 1}, where F = A000032 (Lucas numbers). 1
1, 2, 5, 5, 2, 2, 1, 1, 3, 4, 3, 2, 9, 8, 4, 8, 6, 0, 3, 1, 4, 0, 2, 6, 6, 7, 2, 7, 4, 4, 0, 3, 3, 6, 0, 1, 5, 6, 0, 5, 4, 3, 5, 7, 0, 4, 4, 4, 4, 3, 0, 0, 3, 8, 3, 6, 8, 8, 7, 0, 6, 2, 4, 1, 4, 9, 3, 0, 9, 6, 6, 8, 6, 0, 2, 5, 3, 8, 6, 3, 0, 8, 6, 8, 9, 0 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..86.

EXAMPLE

1.2552211343298486031402667274403360...

MATHEMATICA

x = N[Sum[2^(1 - n)/LucasL[n], {n, 1, 500}], 100]

RealDigits[x][[1]]

CROSSREFS

Cf. A000038, A269991.

Sequence in context: A145428 A086283 A153759 * A146100 A101458 A154953

Adjacent sequences:  A269989 A269990 A269991 * A269993 A269994 A269995

KEYWORD

nonn,cons,easy

AUTHOR

Clark Kimberling, Mar 12 2016

STATUS

approved

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Last modified October 17 22:48 EDT 2018. Contains 316297 sequences. (Running on oeis4.)