

A084235


Smallest k such that M(k) = 2^n, where M(x) is Mertens's function A002321.


0



1, 5, 31, 199, 1637, 8507, 24110, 95961, 355541, 1786062, 6473791, 30649362, 109851909, 456774199, 2589994747, 7613644886, 37725066313, 108500046711
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OFFSET

1,2


REFERENCES

Karl Sabbagh, The Riemann Hypothesis, The Greatest Unsolved Problem in Mathematics, Farrar, Straus and Giroux, New York, 2002, page 191.


LINKS

Table of n, a(n) for n=1..18.


MATHEMATICA

i = s = 0; Do[ While[ Abs[s] < 2^n, s = s + MoebiusMu[i]; i++ ]; Print[i  1], {n, 0, 25}]


CROSSREFS

Cf. A051402, A084234.
Sequence in context: A108079 A164038 A260782 * A288688 A002469 A296032
Adjacent sequences: A084232 A084233 A084234 * A084236 A084237 A084238


KEYWORD

nonn,more


AUTHOR

Robert G. Wilson v, May 13 2003


EXTENSIONS

Definition corrected by L. Edson Jeffery, Mar 18 2013
a(15)a(18) by Ashley Jordan and Luke March, Jul 22 2014


STATUS

approved



