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 A227314 Number of prime factors, with multiplicity, of sum of first n composite numbers. 1
 2, 2, 3, 3, 1, 2, 3, 3, 2, 5, 4, 3, 3, 1, 6, 4, 1, 2, 2, 1, 6, 3, 2, 2, 2, 3, 2, 4, 4, 2, 2, 3, 8, 3, 1, 1, 1, 3, 2, 2, 2, 2, 1, 2, 3, 2, 1, 1, 3, 3, 4, 2, 1, 1, 3, 7, 7, 3, 2, 4, 4, 2, 1, 1, 2, 4, 2, 1, 3, 4, 4, 3, 1, 1, 1, 2, 5, 2, 3, 6, 2, 2, 3, 6, 5, 1, 5, 3, 2, 3, 2, 6, 7, 2, 2, 2, 6, 3, 2, 3 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS FORMULA a(n) = A001222(A053767(n)). EXAMPLE a(10) = 5 because A053767(10) = 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 112 = 2^4 * 7, which has 5 prime factors, with multiplicity. MAPLE A227314 := proc(n)     A001222(A053767(n)) ; end proc: # R. J. Mathar, Jul 06 2013 CROSSREFS Cf. A001222, A002808, A053767. Sequence in context: A135695 A105899 A071434 * A128924 A239957 A230040 Adjacent sequences:  A227311 A227312 A227313 * A227315 A227316 A227317 KEYWORD nonn,easy AUTHOR Jonathan Vos Post, Jul 06 2013 STATUS approved

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Last modified May 15 02:21 EDT 2021. Contains 343909 sequences. (Running on oeis4.)