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 A256498 Indices of primes in the 9th-order Fibonacci number sequence, A127193. 1
 11, 15, 25, 31, 36, 37, 42, 45, 48, 75, 149, 156, 160, 182, 268, 444, 581, 1025, 1125, 2504, 6900, 10924, 11807, 25262, 26774, 28739, 29367, 34902, 43345, 53878, 74473, 107070, 170300, 178994 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS a(35) > 2*10^5. 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. OEIS Wiki, Index of Fibonacci Numbers and Variants OEIS Wiki, Index to OEIS Section Fi MATHEMATICA a={1, 1, 1, 1, 1, 1, 1, 1, 1}; step=9; lst={}; For[n=step+1, n<=1000, n++, sum=Plus@@a; If[PrimeQ[sum], AppendTo[lst, n]]; a=RotateLeft[a]; a[[step]]=sum]; lst CROSSREFS Cf. A127193, A256499. Sequence in context: A087142 A158019 A228205 * A054280 A214863 A094766 Adjacent sequences:  A256495 A256496 A256497 * A256499 A256500 A256501 KEYWORD nonn,more AUTHOR Robert Price, Mar 31 2015 STATUS approved

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Last modified May 25 04:50 EDT 2019. Contains 323539 sequences. (Running on oeis4.)