A134788 If Fibonacci(prime(k)) is prime, append Fibonacci(prime(k)) - prime(k) to the sequence.

-1, 0, 6, 78, 220, 1580, 28634, 514200, 433494394, 2971215026, 99194853094755414, 1066340417491710595814572038, 19134702400093278081449423780, 475420437734698220747368027166749382927701417016557193662268716376935475882

Offset

1,3

Links

Table of n, a(n) for n=1..14.

Mathematica

k = {}; Do[If[PrimeQ[Fibonacci[Prime[n]]], AppendTo[k, Fibonacci[Prime[n]] - Prime[n]]], {n, 1, 100}]; k
fpn[n_]:=Module[{prn=Prime[n], fib}, fib=Fibonacci[prn]; If[PrimeQ[fib], fib- prn, a]]; DeleteCases[Table[fpn[i], {i, 100}], a] (* Harvey P. Dale, Mar 27 2012 *)

Prog

(PARI) forprime(n=1, 1000, if(isprime(fibonacci(n)), print1(fibonacci(n)-n, ", "))) \\ Edward Jiang, Nov 23 2013

Crossrefs

Cf. A050937, A090819, A134787.

Sequence in context: A366540 A030641 A116280 * A167498 A250388 A231248

Adjacent sequences: A134785 A134786 A134787 * A134789 A134790 A134791

Keyword

sign

Author

Artur Jasinski, Nov 12 2007

Status

approved