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A243622 Indices of primes in A214829. 7
1, 2, 4, 10, 11, 12, 13, 58, 63, 89, 132, 157, 426, 457, 506, 613, 1839, 1936, 2042, 2355, 3178, 3782, 8556, 8688, 22152, 23232, 44074, 71770, 222666 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(30) > 222666.

LINKS

Table of n, a(n) for n=1..29.

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, 7, 7}; Print["1"]; Print["2"]; 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: A185372 A186757 A184876 * A178713 A136818 A293556

Adjacent sequences:  A243619 A243620 A243621 * A243623 A243624 A243625

KEYWORD

nonn,more

AUTHOR

Robert Price, Jun 07 2014

EXTENSIONS

a(27) corrected by Robert Price, May 22 2019

a(29) from Robert Price, May 23 2019

STATUS

approved

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Last modified September 19 05:33 EDT 2020. Contains 337176 sequences. (Running on oeis4.)