login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A249635 Indices of prime Fibonacci 6-step numbers, A001592. 2

%I

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

%N Indices of prime Fibonacci 6-step numbers, A001592.

%C This sequence is similar to A105758 but uses the indexing scheme defined by A001592, whose indices start with 0.

%C a(13) > 3*10^5.

%H Tony D. Noe and Jonathan Vos Post, <a href="http://www.cs.uwaterloo.ca/journals/JIS/VOL8/Noe/noe5.html">Primes in Fibonacci n-step and Lucas n-step Sequences,</a> J. of Integer Sequences, Vol. 8 (2005), Article 05.4.4

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/Fibonaccin-StepNumber.html">Fibonacci n-Step Number</a>

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

%t a = {0, 0, 0, 0, 0, 1}; For[n = 6, n ≤ 1000, n++, sum = Plus @@ a;

%t If[PrimeQ[sum], Print[n]]; a = RotateLeft[a]; a[[6]] = sum]

%Y Cf. A001592, A105758.

%K nonn,more

%O 1,1

%A _Robert Price_, Nov 02 2014

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 17 00:17 EDT 2021. Contains 345080 sequences. (Running on oeis4.)