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A011455 Sum 2^Fibonacci(i), i=2..n. 2
2, 6, 14, 46, 302, 8494, 2105646, 17181974830, 36028814200938798, 618970019678718951650500910, 22300745198530623760505737951367313156481326, 13803492693581127574869511746854796103432841704846511061692361604079918 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Ivan Panchenko, Table of n, a(n) for n = 2..18

FORMULA

Partial sums of A000301 (first 2 terms skipped). - R. J. Mathar, Apr 26 2007

MATHEMATICA

Accumulate[2^Fibonacci[Range[2, 15]]] (* Harvey P. Dale, May 07 2013 *)

CROSSREFS

Sequence in context: A133155 A297708 A284701 * A188491 A295974 A324365

Adjacent sequences:  A011452 A011453 A011454 * A011456 A011457 A011458

KEYWORD

nonn,easy

AUTHOR

Bagirath R. Krishnamachari (bagi(AT)miel.mot.com)

EXTENSIONS

Name corrected by T. D. Noe, Mar 03 2011

a(13) from Harvey P. Dale, May 07 2013

STATUS

approved

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Last modified May 20 05:35 EDT 2019. Contains 323414 sequences. (Running on oeis4.)