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A144489 Partial sums of A087624. 1
0, 0, 0, 1, 1, 3, 3, 4, 5, 7, 7, 9, 9, 11, 13, 14, 14, 16, 16, 18, 20, 22, 22, 24, 25, 27, 28, 30, 30, 33, 33, 34, 36, 38, 40, 42, 42, 44, 46, 48, 48, 51, 51, 53, 55, 57, 57, 59, 60, 62, 64, 66, 66, 68, 70, 72, 74, 76, 76, 79, 79, 81, 83, 84, 86, 89, 89, 91, 93, 96, 96, 98, 98, 100, 102 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

LINKS

Table of n, a(n) for n=1..75.

MATHEMATICA

Accumulate[Array[If[PrimeQ[#], 0, PrimeNu[#]]&, 110]] (* Harvey P. Dale, Jul 19 2019 *)

CROSSREFS

Sequence in context: A104803 A104804 A240207 * A239640 A100091 A239483

Adjacent sequences:  A144486 A144487 A144488 * A144490 A144491 A144492

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Dec 11 2008

STATUS

approved

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Last modified September 26 16:43 EDT 2020. Contains 337374 sequences. (Running on oeis4.)