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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
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
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

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Last modified April 21 04:54 EDT 2024. Contains 371850 sequences. (Running on oeis4.)