A105767 Prime Lucas 6-step numbers, A074584.

3, 7, 31, 239, 1871, 3299217791, 101312422979, 48163250752607, 3858266531308645633776466396252776719, 31313481899920920568064578921684656674109265283366018689568994494028479

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. A105766 (indices of prime Lucas 6-step numbers).

Programs

Mathematica

a={-1, -1, -1, -1, -1, 6}; lst={}; Do[s=Plus@@a; a=RotateLeft[a]; a[[ -1]]=s; If[PrimeQ[s], AppendTo[lst, s]], {n, 1000}]; lst