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 A110658 a(n) = A028242(A028242(A028242(n))). 4
 1, 0, 2, 1, 0, 2, 1, 0, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 4, 3, 2, 4, 3, 2, 4, 3, 5, 4, 3, 5, 4, 3, 5, 4, 6, 5, 4, 6, 5, 4, 6, 5, 7, 6, 5, 7, 6, 5, 7, 6, 8, 7, 6, 8, 7, 6, 8, 7, 9, 8, 7, 9, 8, 7, 9, 8, 10, 9, 8, 10, 9, 8, 10, 9, 11, 10, 9, 11, 10, 9, 11, 10, 12, 11, 10, 12, 11, 10, 12, 11, 13, 12, 11, 13 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS G. C. Greubel, Table of n, a(n) for n = 0..1000 Index entries for linear recurrences with constant coefficients, signature (1,0,0,0,0,0,0,1,-1) FORMULA a(n) = A028242(A110657(n)) = A110657(A028242(n)). a(n) = floor(n/8) + (4 - (n mod 8) mod 3) mod 3. G.f.: (x^2-x+1)*(x^6-2*x^4+x^2+1) / ((x-1)^2*(x+1)*(x^2+1)*(x^4+1)). - Colin Barker, Apr 01 2013 MATHEMATICA A028242[n_] := (1 + 2*n + 3*(-1)^n)/4; Table[A028242[A028242[ A028242[n] ]], {n, 0, 50}] (* G. C. Greubel, Sep 03 2017 *) CROSSREFS Cf. A110656. Sequence in context: A127788 A025656 A194517 * A002188 A128313 A283486 Adjacent sequences: A110655 A110656 A110657 * A110659 A110660 A110661 KEYWORD nonn,easy AUTHOR Reinhard Zumkeller, Aug 05 2005 STATUS approved

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Last modified May 20 11:46 EDT 2024. Contains 372712 sequences. (Running on oeis4.)