

A005166


a(0) = 1; a(n) = (1 + a(0)^3 + ... + a(n1)^3)/n (not always integral!).
(Formerly M1551)


6




OFFSET

0,2


COMMENTS

Terms are integers until n=A097398(2,2)=89.
Guy states that by computing the sequence modulo 89 it is easy to show that a(89) is not integral.  T. D. Noe, Sep 17 2007


REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).


LINKS



CROSSREFS



KEYWORD

nonn,easy,nice


AUTHOR



STATUS

approved



