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 A247383 Smallest number m such that gcd(m,EKG(m)) = n, where EKG = A064413, the EKG sequence. 3
 1, 2, 6, 52, 10, 12, 14, 8, 63, 110, 165, 396, 689, 126, 225, 144, 34, 270, 38, 120, 273, 1430, 828, 2088, 1475, 1014, 432, 476, 58, 4290, 62, 576, 495, 612, 5180, 2448, 4477, 684, 468, 40, 697, 4158, 3139, 6028, 810, 8602, 8601, 4752, 2499, 850, 867, 5148 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS A247379(a(n)) = n and A247379(m) != n for m < a(n). LINKS Reinhard Zumkeller, Table of n, a(n) for n = 1..206 PROG (Haskell) import Data.IntMap (empty, member, (!), insert) a247383 n = a247383_list !! (n-1) a247383_list = f 1 1 empty where f x z m | member x m = m ! x : f (x + 1) (x + 1) m | member y m = f x (z + 1) m | otherwise = f x (z + 1) (insert y z m) where y = a247379 z CROSSREFS Cf. A064413, A247379. Sequence in context: A370311 A078464 A108905 * A298994 A203634 A027263 Adjacent sequences: A247380 A247381 A247382 * A247384 A247385 A247386 KEYWORD nonn AUTHOR Reinhard Zumkeller, Sep 16 2014 STATUS approved

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Last modified September 7 08:00 EDT 2024. Contains 375729 sequences. (Running on oeis4.)