a(n) is the least triprime T for which the Mertens function M(T) = n.

Terms

a(0) =20a(1) =8a(2) =27a(3) =164a(4) =98a(5) =345a(6) =343a(7) =222a(8) =555a(9) =590a(10) =1358a(11) =1388a(12) =1394a(13) =1407a(14) =1406a(15) =1419a(16) =3435a(17) =3231a(18) =3237a(19) =3236a(20) =3245a(21) =3243a(22) =3275a(23) =3282a(24) =3292a(25) =3297a(26) =8163a(27) =8361a(28) =8666a(29) =8662