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A281087 Numbers n such that Fibonacci(n) and Fibonacci(n+2) are both prime. 4
3, 5, 11, 431, 569 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Smaller primes of the Fibonacci prime pairs in A073340.

LINKS

Table of n, a(n) for n=1..5.

FORMULA

a(n) = A279795(n) - 2.

a(n) = A073340(2n-1).

EXAMPLE

11 is in the sequence because Fibonacci(11) = 89 and Fibonacci(13) = 233 are both prime.

CROSSREFS

First differs from A101315 at a(5).

Cf. A000045, A001359, A001605, A073340, A101315, A279795.

Sequence in context: A038198 A280876 A079037 * A101315 A320433 A066541

Adjacent sequences:  A281084 A281085 A281086 * A281088 A281089 A281090

KEYWORD

more,nonn

AUTHOR

Bobby Jacobs, Jan 14 2017

STATUS

approved

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Last modified February 20 04:12 EST 2020. Contains 332063 sequences. (Running on oeis4.)