A051400 Smallest value of x such that M(x) = n, where M() is Mertens's function A002321.

1, 95, 218, 219, 221, 554, 586, 1357, 1389, 1393, 1403, 1405, 1418, 3227, 3233, 3235, 3239, 3241, 3242, 3277, 3281, 3293, 3295, 8201, 8413, 8418, 8489, 8490, 8491, 8503, 8506, 8507, 8509, 8510, 8511, 11759, 11761, 11762, 11769, 11770, 11771, 11773

Offset: 1

Author

Jud McCranie

Keywords

• nonn

Links

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

Crossrefs

Cf. A002321, A051401, A051402.

Programs

PARI

a(n) = {x = 0; while (sum(k=1,x,moebius(k)) != n, x++); x} \\ Michel Marcus, Sep 24 2013

PARI

M(n)=sum(k=1,n,moebius(k));
print1(1,", "); c=M(1); n=2; while(n<10^4,if(M(n)>c,print1(n,", "); c=M(n)); n++) \\ Derek Orr, Jun 14 2016