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A216559
Numbers n such that the n-th Fibonacci number is prime and can be written in the form a^2 + 5*b^2.
0
11, 29, 131, 359, 431, 449, 509, 569, 571, 2971, 9311, 14431, 25561, 35999, 37511, 81839, 104911, 130021, 148091, 397379, 433781, 590041, 593689, 604711, 1803059, 1968721
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..26.
Blair Kelly,
Factorizations of Fibonacci and Lucas numbers
CROSSREFS
Cf.
A000045
,
A001605
.
Sequence in context:
A179502
A053703
A380522
*
A099911
A118638
A088460
Adjacent sequences:
A216556
A216557
A216558
*
A216560
A216561
A216562
KEYWORD
nonn
AUTHOR
V. Raman
, Sep 08 2012
STATUS
approved
