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A242572 Indices of primes in A214828. 4
3, 7, 8, 16, 19, 36, 44, 151, 292, 448, 467, 896, 1148, 1607, 1711, 1956, 2020, 6635, 14228, 25519, 43140, 74984, 77696, 137975 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(25) > 2*10^5.

LINKS

Table of n, a(n) for n=1..24.

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, 6, 6}; For[n=3, n<=1000, n++, sum=Plus@@a; If[PrimeQ[sum], Print[n]]; a=RotateLeft[a]; a[[3]]=sum]

CROSSREFS

Cf. A001590, A100683, A231574, A231575, A232542, A214899, A230607, A020992, A232498, A214727, A081172, A214752, A141523,A214825, A235862, A214827, A214828.

Sequence in context: A031404 A263519 A105263 * A136136 A057548 A122227

Adjacent sequences:  A242569 A242570 A242571 * A242573 A242574 A242575

KEYWORD

nonn,more

AUTHOR

Robert Price, May 17 2014

STATUS

approved

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Last modified August 1 16:59 EDT 2021. Contains 346400 sequences. (Running on oeis4.)