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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A116614 Values of n such that prime(2n) mod 12 = 1. 2
 3, 6, 9, 21, 22, 25, 34, 35, 37, 39, 40, 41, 42, 44, 50, 53, 55, 56, 61, 65, 67, 68, 84, 86, 87, 90, 99, 102, 108, 113, 122, 127, 130, 132, 139, 142, 153, 154, 155, 158, 161, 163, 176, 183, 189, 190, 194, 198, 211, 219, 225, 232, 233, 237, 238, 248, 258, 259, 278 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS G. C. Greubel, Table of n, a(n) for n = 1..1000 FORMULA Equals (1/2) * { even terms in A160594 = A000720(A068228) }. - M. F. Hasler, May 22 2009 EXAMPLE 53 is in the sequence because the 106th prime is 577 and 577 mod 12 = 1. MAPLE a:=proc(n) if ithprime(2*n) mod 12 = 1 then n else fi end: seq(a(n), n=1..300); MATHEMATICA Select[Range[1, 500], Mod[Prime[2*#], 12] == 1 &] (* G. C. Greubel, Nov 19 2017 *) PROG (PARI) for(n=1, 999, prime(2*n)%12==1 & print1(n", ")) \\ M. F. Hasler, May 22 2009 CROSSREFS Cf. A116602, A116610, A116612-A116617, A160591-A160594. [M. F. Hasler, May 22 2009] Sequence in context: A322949 A285215 A015938 * A089001 A215666 A050889 Adjacent sequences: A116611 A116612 A116613 * A116615 A116616 A116617 KEYWORD nonn AUTHOR Roger L. Bagula, Mar 29 2006 EXTENSIONS Edited by N. J. A. Sloane, Apr 05 2006 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 March 30 11:15 EDT 2023. Contains 361618 sequences. (Running on oeis4.)