A216573 - OEIS

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A216573

Numbers k such that Fibonacci(k) is prime and can be written in the form a^2 + 10*b^2.

0

11, 131, 359, 431, 9311, 25561, 35999, 37511, 81839, 130021, 148091, 397379, 590041, 593689, 1803059, 1968721

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..16.

Blair Kelly, Factorizations of Fibonacci and Lucas numbers

Mohammed Taous, On the 2-Class Group of Q(sqrt(5pFp)) Where Fp is a Prime Fibonacci Number, Fibonacci Quart. 55 (2017), no. 5, 192-200. See the NM's in Figure 1 p. 8.

CROSSREFS

Cf. A000045, A001605.

Sequence in context: A099677 A142187 A201484 * A140004 A100758 A083763

Adjacent sequences: A216570 A216571 A216572 * A216574 A216575 A216576

KEYWORD

nonn,more

AUTHOR

V. Raman, Sep 08 2012

STATUS

approved