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 A060939 a(n) = (Sum of the first n primes) + n. 2
 3, 7, 13, 21, 33, 47, 65, 85, 109, 139, 171, 209, 251, 295, 343, 397, 457, 519, 587, 659, 733, 813, 897, 987, 1085, 1187, 1291, 1399, 1509, 1623, 1751, 1883, 2021, 2161, 2311, 2463, 2621, 2785, 2953, 3127, 3307, 3489, 3681, 3875, 4073, 4273, 4485, 4709 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Variation on question 6, p. 54, of Sullivan. REFERENCES N. Sullivan, Test Your Own IQ, Workman Publishing Co., New York, NY, 1994, p. 54. LINKS Harry J. Smith, Table of n, a(n) for n = 1..1000 FORMULA a(n) = A007504(n) + n. - Omar E. Pol, Dec 30 2013 MATHEMATICA With[{nn=50}, Total/@Thread[{Accumulate[Prime[Range[nn]]], Range[nn]}]] (* Harvey P. Dale, Dec 27 2011 *) PROG (PARI) { s=0; n=0; forprime (p=2, prime(1000), s+=p; write("b060939.txt", n++, " ", s + n); ) } \\ Harry J. Smith, Jul 14 2009 CROSSREFS Cf. A007504, A000290, A002378, A024916, A062736. Sequence in context: A147409 A147342 A172310 * A174030 A098575 A138035 Adjacent sequences:  A060936 A060937 A060938 * A060940 A060941 A060942 KEYWORD easy,nonn AUTHOR Jason Earls, May 06 2001 EXTENSIONS Better description and more terms from Larry Reeves (larryr(AT)acm.org), May 08 2001 STATUS approved

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Last modified October 22 22:34 EDT 2019. Contains 328335 sequences. (Running on oeis4.)