A051401 - OEIS

A051401

Smallest value of x such that M(x) = -n, where M(x) is Mertens's function A002321.

3, 5, 13, 31, 110, 114, 197, 199, 443, 659, 661, 665, 1105, 1106, 1109, 1637, 2769, 2770, 2778, 2791, 2794, 2795, 2797, 2802, 2803, 6986, 6987, 7013, 7021, 9717, 9718, 9719, 9721, 9726, 9741, 9749, 9822, 9823, 9830, 9831, 9833, 9857, 9861, 23833

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OFFSET

1,1

LINKS

T. D. Noe, Table of n, a(n) for n = 1..1000

EXAMPLE

M(31) = -4 and that is the first one, so a(4) = 31.

MATHEMATICA

s=0; t=0; Do[s=s+MoebiusMu[n]; If[s<t, t=s; Print[n]], {n, 1, 24100}] (* Robert G. Wilson v, Jul 03 2000 *)

CROSSREFS

Cf. A002321, A008683, A051400, A051402.

Sequence in context: A135532 A127600 A262237 * A304357 A296023 A027039

Adjacent sequences: A051398 A051399 A051400 * A051402 A051403 A051404

KEYWORD

nonn

AUTHOR

Jud McCranie

STATUS

approved