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 A025205 a(n) = floor(Sum_{k=2..n} log(k)^2). 0
 0, 1, 3, 6, 9, 13, 17, 22, 27, 33, 39, 46, 53, 60, 68, 76, 84, 93, 102, 111, 120, 130, 140, 151, 161, 172, 183, 195, 206, 218, 230, 242, 255, 267, 280, 293, 306, 320, 334, 347, 361, 375, 390, 404, 419, 434, 449, 464, 479, 495, 510, 526, 542, 558, 574, 591, 607, 624, 640, 657 (list; graph; refs; listen; history; text; internal format)
 OFFSET 2,3 LINKS MATHEMATICA Table[Floor[Sum[Log[i]^2, {i, 2, n}]], {n, 2, 100}] (* Stefan Steinerberger, May 14 2006 *) CROSSREFS Sequence in context: A205726 A002815 A109512 * A024190 A004116 A004129 Adjacent sequences:  A025202 A025203 A025204 * A025206 A025207 A025208 KEYWORD nonn AUTHOR STATUS approved

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Last modified December 14 09:49 EST 2018. Contains 318095 sequences. (Running on oeis4.)