A105757 Prime Fibonacci 5-step numbers, A001591.

2, 31, 61, 5976577, 1989179797398599794811479787771439644489521, 11241696329548911284929550459702062135838997526529, 73666302576706758839299120422550197113618385815703101

Offset

1,1

Links

Table of n, a(n) for n=1..7.

Tony D. Noe and Jonathan Vos Post, Primes in Fibonacci n-step and Lucas n-step Sequences, J. of Integer Sequences, Vol. 8 (2005), Article 05.4.4

Eric Weisstein's World of Mathematics, Fibonacci n-Step Number

Mathematica

a={1, 0, 0, 0, 0}; lst={}; Do[s=Plus@@a; a=RotateLeft[a]; a[[ -1]]=s; If[PrimeQ[s], AppendTo[lst, s]], {n, 1000}]; lst

Crossrefs

Cf. A105756 (indices of prime Fibonacci 5-step numbers).

Sequence in context: A129900 A262834 A229206 * A091252 A031920 A302361

Adjacent sequences: A105754 A105755 A105756 * A105758 A105759 A105760

Keyword

nonn

Author

T. D. Noe, Apr 22 2005

Status

approved