login
A093772
a(n) is the smallest integer at which the value of the "truncated Mertens function" (= A088004) equals n.
4
1, 6, 10, 14, 15, 21, 22, 26, 34, 35, 38, 39, 51, 55, 57, 58, 62, 65, 77, 85, 86, 87, 91, 93, 94, 95, 119, 122, 123, 129, 134, 142, 143, 145, 146, 158, 159, 161, 185, 202, 203, 205, 206, 209, 210, 213, 214, 215, 217, 218, 219, 221, 253, 254, 265, 278, 299, 301, 302
OFFSET
1,2
COMMENTS
Truncated Mertens function = summatory Moebius when argument runs through nonprimes.
MATHEMATICA
mer[x_] :=mer[x]=mer[x-1]+MoebiusMu[x]; mer[0]=0; $RecursionLimit=1000; t=Table[mer[w]+PrimePi[w], {w, 1, 1000}] Table[Min[Flatten[Position[t, j]]], {j, 1, 200}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Labos Elemer, Apr 28 2004
STATUS
approved