

A249635


Indices of prime Fibonacci 6step numbers, A001592.


2



7, 40, 41, 96, 664, 6095, 8419, 11471, 13690, 38835, 49832, 97152
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OFFSET

1,1


COMMENTS

This sequence is similar to A105758 but uses the indexing scheme defined by A001592, whose indices start with 0.
a(13) > 3*10^5.


LINKS

Table of n, a(n) for n=1..12.
Tony D. Noe and Jonathan Vos Post, Primes in Fibonacci nstep and Lucas nstep Sequences, J. of Integer Sequences, Vol. 8 (2005), Article 05.4.4
Eric Weisstein's World of Mathematics, Fibonacci nStep Number


FORMULA

a(n) = A105758 (n) + 4.


MATHEMATICA

a = {0, 0, 0, 0, 0, 1}; For[n = 6, n ≤ 1000, n++, sum = Plus @@ a;
If[PrimeQ[sum], Print[n]]; a = RotateLeft[a]; a[[6]] = sum]


CROSSREFS

Cf. A001592, A105758.
Sequence in context: A135059 A203200 A165700 * A164135 A119056 A164083
Adjacent sequences: A249632 A249633 A249634 * A249636 A249637 A249638


KEYWORD

nonn,more


AUTHOR

Robert Price, Nov 02 2014


STATUS

approved



