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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A092163 a(n) = Prime(2n) + prime(2n+1). 0
 8, 18, 30, 42, 60, 78, 90, 112, 128, 144, 162, 186, 204, 216, 240, 268, 288, 308, 330, 352, 372, 390, 410, 450, 462, 480, 508, 532, 548, 564, 600, 624, 648, 684, 702, 726, 752, 772, 798, 828, 852, 872, 892, 918, 930, 966, 990, 1012, 1044, 1088, 1120, 1140 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..52. FORMULA a(n)= A001043(2*n). - R. J. Mathar, Apr 20 2009 EXAMPLE a(1) = 8 because p(2)= 3 and p(3) = 5. a(2) = 18 because p(4)= 7 and p(5) = 11. a(3) = 30 because p(6)= 13 and p(7) = 17. MATHEMATICA Table[ Prime[2n] + Prime[2n + 1], {n, 50}] (* Robert G. Wilson v, Apr 22 2004 *) CROSSREFS Cf. A000040. Sequence in context: A084394 A085248 A278546 * A100592 A028563 A171523 Adjacent sequences: A092160 A092161 A092162 * A092164 A092165 A092166 KEYWORD nonn AUTHOR Jun Mizuki (suzuki32(AT)sanken.osaka-u.ac.jp), Mar 31 2004 EXTENSIONS More terms from Robert G. Wilson v, Apr 22 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 April 21 04:54 EDT 2024. Contains 371850 sequences. (Running on oeis4.)