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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A163116 Partial sums of A161671. 1
 2, 4, 5, 6, 9, 13, 20, 27, 36, 50, 65, 84, 105, 127, 152, 181, 215, 250, 290, 333, 376, 423, 473, 528, 590, 655, 720, 788, 857, 928, 1011, 1097, 1188, 1279, 1379, 1480, 1586, 1697, 1810, 1928, 2051, 2175, 2308, 2441, 2576, 2712 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The n-th partial sum of the primes minus the n-th partial sum of the nonprimes. LINKS Table of n, a(n) for n=1..46. FORMULA a(n) = A007504(n) - A051349(n-1). - R. J. Mathar, Jul 31 2009 EXAMPLE a(1) = A161671(1) = 2. a(2) = a(1) + A161671(2) = 2 + 2 = 4. a(3) = a(2) + A161671(3) = 4 + 1 = 5. CROSSREFS Cf. A000040, A141468, A161671. Sequence in context: A341496 A056635 A288429 * A003306 A250305 A136585 Adjacent sequences: A163113 A163114 A163115 * A163117 A163118 A163119 KEYWORD nonn AUTHOR Juri-Stepan Gerasimov, Jul 21 2009 EXTENSIONS Corrected from a(9) on by R. J. Mathar, Jul 31 2009 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 May 31 23:42 EDT 2023. Contains 363068 sequences. (Running on oeis4.)