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 A137672 Number of ones in binary representation of A137671(n). 3
 1, 1, 1, 2, 1, 1, 2, 1, 2, 2, 1, 3, 1, 1, 2, 2, 2, 3, 1, 2, 1, 3, 2, 2, 2, 3, 1, 2, 2, 3, 2, 3, 2, 4, 1, 3, 3, 1, 3, 2, 1, 4, 1, 1, 2, 2, 2, 3, 2, 2, 3, 3, 2, 3, 3, 3, 4, 2, 4, 1, 2, 2, 3, 1, 3, 2, 3, 2, 4, 2, 3, 3, 2, 4, 2, 4, 3, 3, 3, 4, 1, 2, 5, 1, 3, 2, 1, 3, 3, 3, 4, 2, 2, 2, 3, 3, 4, 2, 2, 3, 4, 3, 5, 1, 4 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 LINKS R. Zumkeller, Table of n, a(n) for n = 1..10000 FORMULA a(n) = A000120(A137671(a(n)); a(A137674(n)) = 1; a(A137674(n)-1) = n-1. CROSSREFS Cf. A000120, A137674. Sequence in context: A296977 A025878 A143421 * A141272 A281527 A124038 Adjacent sequences:  A137669 A137670 A137671 * A137673 A137674 A137675 KEYWORD nonn,base AUTHOR Reinhard Zumkeller, Feb 05 2008 STATUS approved

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Last modified October 30 12:22 EDT 2020. Contains 338079 sequences. (Running on oeis4.)