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 A080847 mu(n)+2, where mu is the Moebius function (A008683). 5
 3, 1, 1, 2, 1, 3, 1, 2, 2, 3, 1, 2, 1, 3, 3, 2, 1, 2, 1, 2, 3, 3, 1, 2, 2, 3, 2, 2, 1, 1, 1, 2, 3, 3, 3, 2, 1, 3, 3, 2, 1, 1, 1, 2, 2, 3, 1, 2, 2, 2, 3, 2, 1, 2, 3, 2, 3, 3, 1, 2, 1, 3, 2, 2, 3, 1, 1, 2, 3, 1, 1, 2, 1, 3, 2, 2, 3, 1, 1, 2, 2, 3, 1, 2, 3, 3, 3, 2, 1, 2, 3, 2, 3, 3, 3, 2, 1, 2, 2, 2, 1, 1, 1, 2, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS 1 <= a(n) <= 3. LINKS Antti Karttunen, Table of n, a(n) for n = 1..5000 PROG (define (A080847 n) (+ 2 (A008683 n))) ;; Antti Karttunen, Jul 26 2017 CROSSREFS Cf. A008683, one more than A007423, one less than A231821. Cf. A080848, A080849. Sequence in context: A242248 A107297 A107296 * A326406 A334006 A270572 Adjacent sequences:  A080844 A080845 A080846 * A080848 A080849 A080850 KEYWORD nonn AUTHOR Reinhard Zumkeller, Feb 20 2003 STATUS approved

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Last modified April 13 13:24 EDT 2021. Contains 342936 sequences. (Running on oeis4.)