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A235862
Indices of primes in A141523.
41
0, 3, 4, 5, 8, 10, 14, 16, 24, 30, 40, 54, 63, 66, 67, 109, 188, 203, 421, 463, 704, 730, 798, 1155, 1259, 1376, 1789, 2095, 2650, 3833, 4538, 4794, 4840, 5386, 8348, 15176, 17282, 21250, 21386, 21825, 31242, 32843, 33706, 37026, 47546, 66848
OFFSET
1,2
COMMENTS
a(47) > 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={3, 1, 1}; Print[0]; For[n=3, n<=1000, n++, sum=Plus@@a; If[PrimeQ[sum], Print[n]]; a=RotateLeft[a]; a[[3]]=sum]
KEYWORD
nonn
AUTHOR
Robert Price, Jan 16 2014
EXTENSIONS
Name clarified by Arthur O'Dwyer, Jul 25 2024
STATUS
approved