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 A122515 a(n) = A007504(n)-A046992(n). 0
 2, 4, 7, 12, 20, 30, 43, 58, 77, 102, 128, 160, 195, 232, 273, 320, 372, 426, 485, 548, 613, 684, 758, 838, 926, 1018, 1112, 1210, 1309, 1412, 1528, 1648, 1774, 1902, 2040, 2180, 2325, 2476, 2631, 2792, 2958, 3126, 3303, 3482, 3665, 3850, 4046, 4254, 4466 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..49. MATHEMATICA Table[Sum[Prime[n], {n, 1, m}] - Sum[PrimePi[n], {n, 1, m}], {m, 1, 50}] CROSSREFS Cf. A007504, A046992. Sequence in context: A072642 A105856 A010672 * A193840 A036372 A132218 Adjacent sequences: A122512 A122513 A122514 * A122516 A122517 A122518 KEYWORD nonn AUTHOR Roger L. Bagula, Sep 16 2006 EXTENSIONS Edited by N. J. A. Sloane, Sep 17 2006 STATUS approved

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Last modified September 21 22:55 EDT 2023. Contains 365503 sequences. (Running on oeis4.)