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A028442 Numbers n such that Mertens' function M(n) (A002321) is zero. 12
2, 39, 40, 58, 65, 93, 101, 145, 149, 150, 159, 160, 163, 164, 166, 214, 231, 232, 235, 236, 238, 254, 329, 331, 332, 333, 353, 355, 356, 358, 362, 363, 364, 366, 393, 401, 403, 404, 405, 407, 408, 413, 414, 419, 420, 422, 423, 424, 425, 427 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

T. D. Noe, Table of n, a(n) for n = 1..5361

Eric Weisstein's World of Mathematics, Mertens Function

MATHEMATICA

Select[Range[500], Plus@@MoebiusMu[Range[#]] == 0 &] (* Alonso del Arte, Jul 06 2004 *)

PROG

(Perl) use ntheory ":all"; for (moebius(1, 1e7)) { ++$i; say $i unless $M+=$_; } # Dana Jacobsen, May 22 2015

CROSSREFS

Cf. A002321.

Sequence in context: A132396 A066244 A055689 * A062982 A042801 A078733

Adjacent sequences:  A028439 A028440 A028441 * A028443 A028444 A028445

KEYWORD

nonn

AUTHOR

Eric W. Weisstein

STATUS

approved

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Last modified August 30 20:31 EDT 2015. Contains 261220 sequences.