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A110987
Decimal expansion of Zeta(Zeta(4)).
0
1, 2, 7, 3, 0, 4, 1, 6, 1, 3, 6, 8, 7, 3, 7, 0, 6, 1, 4, 1, 9, 0, 5, 6, 5, 0, 5, 5, 3, 2, 1, 8, 3, 5, 6, 2, 1, 3, 7, 9, 5, 1, 1, 3, 0, 4, 5, 2, 7, 7, 1, 0, 9, 7, 9, 2, 1, 9, 0, 0, 2, 4, 5, 3, 0, 9, 0, 9, 5, 8, 5, 6, 8, 0, 5, 8, 5, 7, 9, 3, 5, 4, 5, 8, 6, 6, 9, 7, 2, 2, 4, 3, 4, 7, 1, 8, 0, 2, 3
OFFSET
2,2
FORMULA
Zeta(s) = Sum(1/n^s, n=1, 2, ..inf).
EXAMPLE
12.730416..
MATHEMATICA
RealDigits[Zeta[Zeta[4]], 10, 120][[1]] (* Harvey P. Dale, Apr 02 2018 *)
PROG
(PARI) zeta2(v, n) = \ v = value, n=number of places { local(y, x, l, z1); z1=zeta(v); l=length(Str(floor(z1))); \ length of the integer part y=Vec(Str(z1)); for(x=1, l, \ to the left of decimal point print1(y[x]", "); ); for(x=l+2, n, print1(y[x]", ") \ to the right of the decimal point ) }
CROSSREFS
Cf. A013662.
Sequence in context: A282803 A341093 A248683 * A199740 A229952 A200439
KEYWORD
easy,nonn,cons
AUTHOR
Cino Hilliard, Sep 30 2005
STATUS
approved