login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A051401 Smallest value of x such that M(x) = -n, where M(x) is Mertens's function A002321. 8
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 (list; graph; refs; listen; history; text; internal format)
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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 17 21:37 EDT 2019. Contains 328134 sequences. (Running on oeis4.)