|
|
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
|
|
|
FORMULA
|
|
|
MATHEMATICA
|
Accumulate[2^Fibonacci[Range[2, 15]]] (* Harvey P. Dale, May 07 2013 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
Bagirath R. Krishnamachari (bagi(AT)miel.mot.com)
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|