A216558 Numbers n such that the n-th Fibonacci number is prime and can be written in the form a^2 + 2*b^2.

3, 4, 11, 13, 23, 47, 83, 131, 359, 431, 433, 5387, 9311, 25561, 30757, 35999, 37511, 50833, 81839, 130021, 148091, 201107, 397379, 590041, 593689, 1285607, 1636007, 1803059, 1968721

Offset

1,1

Links

Table of n, a(n) for n=1..29.

Blair Kelly, Factorizations of Fibonacci and Lucas numbers

Crossrefs

Cf. A000045, A001605.

Sequence in context: A098377 A075646 A133621 * A049619 A295067 A263262

Adjacent sequences: A216555 A216556 A216557 * A216559 A216560 A216561

Keyword

nonn

Author

V. Raman, Sep 08 2012

Status

approved