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 A071629 Number of terms in the set InvPhi(4*p(n)), where p(n) is the n-th prime. 7
 5, 6, 5, 2, 3, 2, 0, 0, 3, 3, 0, 2, 3, 2, 0, 3, 0, 0, 2, 0, 2, 2, 3, 3, 2, 0, 0, 0, 0, 3, 2, 3, 0, 2, 0, 0, 0, 2, 0, 3, 3, 0, 3, 2, 0, 2, 0, 0, 0, 0, 3, 3, 0, 3, 0, 0, 0, 0, 2, 3, 0, 3, 2, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 2, 0, 0, 0, 0, 0, 2, 3, 0, 3, 2, 0, 3, 0, 0, 0, 0, 0, 0, 2, 3, 2, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Donovan Johnson, Table of n, a(n) for n = 1..1000 EXAMPLE n=5:invphi(4*11);[69,92,138], a(5)=3. MAPLE [seq(nops(invphi(4*ithprime(i))), i=1..128)]; CROSSREFS Cf. A000010, A005277, A007617, A058888, A002202, A071630-A071634. Sequence in context: A011004 A226975 A273065 * A087496 A198742 A106704 Adjacent sequences:  A071626 A071627 A071628 * A071630 A071631 A071632 KEYWORD nonn AUTHOR Labos Elemer, May 30 2002 STATUS approved

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Last modified September 16 12:39 EDT 2019. Contains 327112 sequences. (Running on oeis4.)