A105763 - OEIS

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A105763

Prime Lucas 4-step numbers, A073817.

3, 7, 191, 367, 36319, 260111, 6921503, 49570747, 12893894812259, 24019714105325502367, 172025522413867986317, 17007925267174811186047, 3132517481738616046273627839643

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..13.

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

CROSSREFS

Cf. A104577 (indices of prime Lucas 4-step numbers).

Sequence in context: A227890 A114789 A128273 * A291352 A132564 A057619

Adjacent sequences: A105760 A105761 A105762 * A105764 A105765 A105766

KEYWORD

nonn

AUTHOR

T. D. Noe, Apr 22 2005

STATUS

approved