This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A177105 Primes of the form 2*n^3-1. 2
 53, 127, 431, 1999, 8191, 18521, 27647, 31249, 59581, 78607, 159013, 194671, 314927, 332749, 390223, 453961, 524287, 657017, 1062881, 1457999, 1507141, 1608713, 1940597, 2519423, 3455999, 4000751, 4393999, 5371237, 5606441 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 MATHEMATICA Select[Table[2 n^3 - 1, {n, 0, 300}], PrimeQ] (* Vincenzo Librandi, Jul 25 2012 *) PROG (MAGMA) [a: n in [0..250] | IsPrime(a) where a is (2*n^3-1)]; (PARI) for(n=0, 200, if(isprime(k=2*n^3-1), print1(k",  "))); // Vincenzo Librandi, Jul 25 2012 CROSSREFS Sequence in context: A239124 A254210 A142125 * A246933 A142167 A044304 Adjacent sequences:  A177102 A177103 A177104 * A177106 A177107 A177108 KEYWORD nonn,easy AUTHOR 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
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified June 20 19:27 EDT 2019. Contains 324234 sequences. (Running on oeis4.)