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A249635 Indices of prime Fibonacci 6-step numbers, A001592. 2
7, 40, 41, 96, 664, 6095, 8419, 11471, 13690, 38835, 49832, 97152 (list; graph; refs; listen; history; text; internal format)
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 n-step and Lucas n-step Sequences, J. of Integer Sequences, Vol. 8 (2005), Article 05.4.4

Eric Weisstein's World of Mathematics, Fibonacci n-Step 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

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Last modified May 17 10:57 EDT 2021. Contains 343971 sequences. (Running on oeis4.)