A135959 a(n) = smallest Fibonacci number with prime index which has exactly n prime factors.

1, 2, 4181, 24157817, 83621143489848422977, 322615043836854783580186309282650000354271239929

Offset

0,2

Comments

a(6) has 105 digits.

a(7) = 22334640661774067356412331900038009953045351020683823507202893507476314037053.

Variant of A114722. [From R. J. Mathar, Oct 28 2008]

Links

Table of n, a(n) for n=0..5.

Formula

a(n) = Fibonacci(A135958(n)).

Crossrefs

Cf. A000045, A050937, A075737, A134852, A135953-A135956, A135958.

Sequence in context: A048831 A342295 A114722 * A105667 A178410 A067668

Adjacent sequences: A135956 A135957 A135958 * A135960 A135961 A135962

Keyword

nonn

Author

Artur Jasinski, Dec 08 2007

Extensions

Edited by David Wasserman, Mar 26 2008

Status

approved