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A033150 Niven's constant. 5
1, 7, 0, 5, 2, 1, 1, 1, 4, 0, 1, 0, 5, 3, 6, 7, 7, 6, 4, 2, 8, 8, 5, 5, 1, 4, 5, 3, 4, 3, 4, 5, 0, 8, 1, 6, 0, 7, 6, 2, 0, 2, 7, 6, 5, 1, 6, 5, 3, 4, 6, 9, 0, 9, 9, 9, 9, 4, 2, 8, 4, 9, 0, 6, 5, 4, 7, 3, 1, 3, 1, 9, 2, 1, 6, 8, 1, 2, 2, 4, 9, 1, 9, 3, 4, 2, 4, 4, 1, 3, 2, 1, 0, 0, 8, 7, 1, 0, 0, 1, 7, 9 (list; constant; graph; refs; listen; history; internal format)
OFFSET

1,2

REFERENCES

I. Niven, Averages of Exponents in Factoring Integers, Proc. Amer. Math. Soc. 22, 356-360, 1969

LINKS

S. Plouffe, The Niven constant to 256 digits

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

FORMULA

1+Sum[ 1-(1/Zeta[ j ]), {j, 2, Infinity} ]

EXAMPLE

1.7052111401...

CROSSREFS

Cf. A000007, A000008, A000009, A000010.

Sequence in context: A060708 A021997 A099737 * A064648 A116198 A137915

Adjacent sequences:  A033147 A033148 A033149 * A033151 A033152 A033153

KEYWORD

nonn,cons

AUTHOR

Eric Weisstein (eric(AT)weisstein.com)

EXTENSIONS

Offset corrected by Oleg Marichev (oleg(AT)wolfram.com), Jan 28 2008

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Last modified February 18 00:14 EST 2012. Contains 206085 sequences.