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 A362988 a(n) = lcm({i, i = 1..n}) / Product_{2 <= p < n, p prime} p. 1
 1, 1, 2, 3, 2, 10, 2, 14, 4, 12, 12, 132, 12, 156, 12, 12, 24, 408, 24, 456, 24, 24, 24, 552, 24, 120, 120, 360, 360, 10440, 360, 11160, 720, 720, 720, 720, 720, 26640, 720, 720, 720, 29520, 720, 30960, 720, 720, 720, 33840, 720, 5040, 5040, 5040, 5040, 267120 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Table of n, a(n) for n=0..53. EXAMPLE a(8) = 2^2; a(9) = 2^2 * 3; a(10) = 2^2 * 3; a(11) = 2^2 * 3 * 11; a(12) = 2^2 * 3; a(13) = 2^2 * 3 * 13; MAPLE A362988 := n -> ilcm(seq(i, i = 1..n)) / mul(k, k = select(isprime, [\$2..n-1])): seq(A362988(n), n = 0..53); CROSSREFS Cf. A003418 (lcm), A034386 (primorial). Sequence in context: A359427 A336246 A351251 * A126286 A126288 A205393 Adjacent sequences: A362985 A362986 A362987 * A362989 A362990 A362991 KEYWORD nonn AUTHOR Peter Luschny, May 14 2023 STATUS approved

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Last modified September 17 04:18 EDT 2024. Contains 375984 sequences. (Running on oeis4.)