The OEIS is supported by the many generous donors to the OEIS Foundation.

 Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A092968 Numbers n such that 2n^2 + 11 is a prime. 9
 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 13, 15, 16, 18, 19, 20, 23, 24, 28, 29, 30, 31, 37, 41, 42, 43, 46, 49, 50, 52, 54, 60, 62, 63, 65, 69, 70, 71, 75, 83, 85, 87, 91, 94, 95, 96, 98, 100, 106, 108, 109, 114, 123, 124, 128, 130, 134, 136, 137, 139, 145, 146, 151, 152, 153, 158 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS Vincenzo Librandi and Zak Seidov, Table of n, a(n) for n = 1..10000 (First 1000 terms from Vincenzo Librandi.) Eric Weisstein's World of Mathematics, Prime-Generating Polynomial FORMULA a(n) = sqrt((A050265(n)-11)/2). - Zak Seidov, Jul 25 2015 MATHEMATICA Select[Range[0, 200], PrimeQ[2#^2+11]&] PROG (Magma) [n: n in [1..160] | IsPrime(2*n^2 + 11)]; // Vincenzo Librandi, Dec 04 2012 CROSSREFS Cf. A050265. Sequence in context: A161979 A247810 A247800 * A177053 A151547 A008817 Adjacent sequences: A092965 A092966 A092967 * A092969 A092970 A092971 KEYWORD nonn,easy AUTHOR Giovanni Teofilatto, Apr 20 2004 EXTENSIONS More terms from T. D. Noe, Dec 31 2004 STATUS approved

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

Last modified November 30 17:37 EST 2022. Contains 358453 sequences. (Running on oeis4.)