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A105766
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Indices of prime Lucas 6-step numbers, A074584.
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1
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2, 3, 5, 8, 11, 32, 37, 46, 123, 237, 332, 408, 772, 827, 1523, 5610, 11273, 14505
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| No other n < 30000.
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REFERENCES
| Tony D. Noe and Jonathan Vos Post, Primes in Fibonacci n-step and Lucas n-step Sequences, Journal of Integer Sequences, Vol. 8 (2005), Article 05.4.4.
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LINKS
| Eric Weisstein's World of Mathematics, Lucas n-Step Number
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MATHEMATICA
| a={-1, -1, -1, -1, -1, 6}; lst={}; Do[s=Plus@@a; a=RotateLeft[a]; a[[ -1]]=s; If[PrimeQ[s], AppendTo[lst, n]], {n, 30000}]; lst
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CROSSREFS
| Cf. A105767 (prime Lucas 6-step numbers).
Sequence in context: A177967 A114831 A092362 * A056695 A020899 A057987
Adjacent sequences: A105763 A105764 A105765 * A105767 A105768 A105769
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KEYWORD
| nonn
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AUTHOR
| T. D. Noe (noe(AT)sspectra.com), Apr 22 2005
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