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 A251550 a(n) = (A251549(n)-1)/2. 2
 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 5, 5, 5, 5, 5, 5, 5, 6, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 11, 11, 11, 11, 11, 11, 11, 11, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 18, 18, 18, 18, 18 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS Chai Wah Wu, Table of n, a(n) for n = 1..10000 PROG (Haskell) a251550 = flip div 2 . subtract 1 . a251549 -- Reinhard Zumkeller, Dec 19 2014 CROSSREFS Cf. A098550, A247253, A251416, A251417, A251546-A251552. Sequence in context: A033271 A290792 A279757 * A279221 A004052 A247781 Adjacent sequences:  A251547 A251548 A251549 * A251551 A251552 A251553 KEYWORD nonn AUTHOR N. J. A. Sloane, Dec 18 2014 STATUS approved

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Last modified April 9 17:09 EDT 2020. Contains 333361 sequences. (Running on oeis4.)