A105767 Prime Lucas 6-step numbers, A074584.

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

Offset

1,1

Links

Table of n, a(n) for n=1..10.

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

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

Crossrefs

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

Sequence in context: A066676 A073917 A030521 * A063896 A277028 A156895

Adjacent sequences: A105764 A105765 A105766 * A105768 A105769 A105770

Keyword

nonn

Author

T. D. Noe, Apr 22 2005

Status

approved