This site is supported by donations to The OEIS Foundation.

 Annual appeal: Please make a donation to keep the OEIS running! Over 6000 articles have referenced us, often saying "we discovered this result with the help of the OEIS". Other ways to donate

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A047652 Primes for which golden mean is a cubic residue. 5
 139, 151, 199, 331, 541, 619, 661, 709, 811, 829, 919, 1069, 1231, 1279, 1291, 1381, 1471, 1579, 1699, 1999, 2161, 2221, 2239, 2251, 2281, 2371, 2389, 2521, 2659, 2689, 2749, 3001, 3121, 3271, 3331, 3391, 3499, 3529, 3571, 3631, 3919, 4021, 4051, 4159 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Primes of the form x^2+xy+34y^2, whose discriminant is -135. - T. D. Noe, May 17 2005 Primes of the form x^2 + 135*y^2. - Arkadiusz Wesolowski, May 31 2015 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 E. Lehmer, On the quadratic character of the Fibonacci root, Fib. Quart., 4 (1966), 135-138. E. Lehmer, On the quadratic character of the Fibonacci root (annotated scanned copy) FORMULA Primes p that divide Fibonacci[(p-1)/3]. - Alexander Adamchuk, Sep 16 2006 MATHEMATICA Select[Prime[Range[1000]], IntegerQ[Fibonacci[(#1-1)/3]/#1]&] (* Alexander Adamchuk, Sep 16 2006 *) CROSSREFS Cf. A047650. Sequence in context: A261703 A266003 A270310 * A020357 A050967 A071382 Adjacent sequences:  A047649 A047650 A047651 * A047653 A047654 A047655 KEYWORD nonn,easy AUTHOR EXTENSIONS More terms from James A. Sellers, Jan 25 2000 STATUS approved

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

Last modified November 21 05:01 EST 2017. Contains 294988 sequences.