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 A122601 a(n)=(n-th prime +1) modulo 7. 1
 3, 4, 6, 1, 5, 0, 4, 6, 3, 2, 4, 3, 0, 2, 6, 5, 4, 6, 5, 2, 4, 3, 0, 6, 0, 4, 6, 3, 5, 2, 2, 6, 5, 0, 3, 5, 4, 3, 0, 6, 5, 0, 3, 5, 2, 4, 2, 0, 4, 6, 3, 2, 4, 0, 6, 5, 4, 6, 5, 2, 4, 0, 0, 4, 6, 3, 3, 2, 5, 0, 4, 3, 4, 3, 2, 6, 5, 6, 3, 4, 0, 2, 5, 0, 6, 3, 2, 3, 0, 2, 6, 4, 5, 2, 3, 0, 6, 4, 6, 3, 2, 5, 4, 3, 5 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS a(n)=1 only for n=4; frequences f(m) of other values are almost equal, e.g., for n=1..1000, f(m=0..6): 166,1,165,166,168,164,170. LINKS FORMULA a(n)= (A039705(n)+1) mod 7 MATHEMATICA Table[Mod[(Prime[n]+1), 7], {n, 1000}] CROSSREFS Cf. A039705. Sequence in context: A021293 A275979 A246859 * A125776 A066977 A007551 Adjacent sequences:  A122598 A122599 A122600 * A122602 A122603 A122604 KEYWORD nonn AUTHOR Zak Seidov, Sep 24 2006 STATUS approved

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Last modified May 5 18:16 EDT 2021. Contains 343572 sequences. (Running on oeis4.)