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 A255534 Indices of primes in the 9th-order Fibonacci number sequence, A251751. 1
 10, 12, 232, 502 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS a(5) > 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 MATHEMATICA a={0, 0, 1, 0, 0, 0, 0, 0, 0}; step=9; lst={}; For[n=step, n<=1000, n++, sum=Plus@@a; If[PrimeQ[sum], AppendTo[lst, n]]; a=RotateLeft[a]; a[[step]]=sum]; lst Flatten[Position[LinearRecurrence[Table[1, {9}], {0, 0, 1, 0, 0, 0, 0, 0, 0}, 510], _?(PrimeQ[#]&)]]-1 (* Harvey P. Dale, Feb 27 2016 *) CROSSREFS Cf. A001590, A001631, A100683, A231574, A231575, A232542, A214899, A230607, A020992, A232498, A214727, A081172, A214752, A141523, A214825, A235862, A000288, A000322, A000383, A249413, A060455, A079262, A251751. Sequence in context: A078217 A178639 A087392 * A262422 A248336 A332478 Adjacent sequences:  A255531 A255532 A255533 * A255535 A255536 A255537 KEYWORD nonn,more AUTHOR Robert Price, Feb 24 2015 STATUS approved

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Last modified September 22 19:36 EDT 2021. Contains 347608 sequences. (Running on oeis4.)