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 A179546 a(n) = p^2*(p + 3)/2, where p = prime(n). 1
 10, 27, 100, 245, 847, 1352, 2890, 3971, 6877, 13456, 16337, 27380, 36982, 42527, 55225, 78652, 107911, 119072, 157115, 186517, 202502, 255881, 296227, 364366, 470450, 530452, 562277, 629695, 665336, 740602, 1048385, 1149787, 1313830 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Old name was "The first a(n) numbers killed in a Sieve of Eratosthenes". LINKS Bruno Berselli, Table of n, a(n) for n = 1..1000 FORMULA p^2*(p+3)/2 as p runs through the primes. [R. J. Mathar, Aug 05 2010] EXAMPLE 2:  2*2 + 2*3 = 2*(3*4/2-1) = 10; 3:  3*2 + 3*3 + 3*4 = 3*(4*5/2-1) = 27; 5:  5*2 + 5*3 + 5*4 + 5*5 + 5*6 = 5*(6*7/2-1) = 100; 7:  7*2 + 7*3 + 7*4 + 7*5 + 7*6 + 7*7 + 7*8 = 7*(8*9/2-1) = 245; etc. MATHEMATICA Table[Prime[n]^2 (Prime[n] + 3)/2, {n, 40}] (* Bruno Berselli, Feb 03 2015 *) #^2 (#+3)/2&/@Prime[Range[40]] (* Harvey P. Dale, Feb 23 2018 *) PROG (PARI) vector(50, n, p=prime(n); p^2*(p+3)/2) \\ Michel Marcus, Feb 03 2015 (MAGMA) [p^2*(p+3)/2: p in PrimesUpTo(200)]; // Bruno Berselli, Feb 03 2015 CROSSREFS Cf. A000040. Sequence in context: A220021 A008468 A267217 * A119548 A219629 A262316 Adjacent sequences:  A179543 A179544 A179545 * A179547 A179548 A179549 KEYWORD nonn AUTHOR Odimar Fabeny, Jul 19 2010 EXTENSIONS More terms from R. J. Mathar, Aug 05 2010 Name and example rephrased and offset changed by Editors of the OEIS, Feb 03 2015 STATUS approved

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Last modified March 20 00:25 EDT 2018. Contains 300931 sequences. (Running on oeis4.)