A105765 Prime Lucas 5-step numbers, A074048.

3, 7, 31, 113, 223, 439, 863, 6553, 641449337, 18837477823, 40276345611255837298559, 58893004546665606516457357571, 9774215601155945008361439560567878777

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, Lucas n-Step Number

Crossrefs

Cf. A105764 (indices of prime Lucas 5-step numbers).

Programs

Mathematica

a={-1, -1, -1, -1, 5}; lst={}; Do[s=Plus@@a; a=RotateLeft[a]; a[[ -1]]=s; If[PrimeQ[s], AppendTo[lst, s]], {n, 1000}]; lst