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A254412 Indices of primes in the 8th-order Fibonacci number sequence, A123526. 2
11, 13, 15, 24, 30, 33, 57, 104, 121, 132, 149, 158, 178, 220, 295, 389, 1070, 1101, 1373, 1761, 1778, 2333, 2731, 4541, 5189, 5237, 5738, 8025, 8787, 10561, 11783, 13435, 14638, 15337, 20985, 21722, 24770, 31009, 57367, 65877, 129773, 134630, 167020 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(44) > 2*10^5.

LINKS

Table of n, a(n) for n=1..43.

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={1, 1, 1, 1, 1, 1, 1, 1}; step=8; 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. A001590, A001631, A100683, A231574, A231575, A232542, A214899, A230607, A020992, A232498, A214727, A081172, A214752, A141523, A214825, A235862, A000288, A000322, A000383, A249413, A060455, A079262, A123526, A254413.

Sequence in context: A289699 A049722 A099481 * A215778 A211021 A214746

Adjacent sequences:  A254409 A254410 A254411 * A254413 A254414 A254415

KEYWORD

nonn,more

AUTHOR

Robert Price, Jan 30 2015

STATUS

approved

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Last modified November 16 17:32 EST 2018. Contains 317275 sequences. (Running on oeis4.)