A105757 Prime Fibonacci 5-step numbers, A001591.

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

Offset: 1

Author

T. D. Noe, Apr 22 2005

Keywords

• nonn

Links

• 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

Crossrefs

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

Programs

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