A161960 Numerators to accompany A161961.

1, 2, 3, 3, 11, 15, 9, 11, 5, 6, 17, 1, 11, 8, 9, 61, 11, 9, 39, 85, 23, 11, 35, 38, 61, 43, 137, 73, 77, 162, 43, 181, 191, 40, 35, 73, 1, 20, 251, 263, 137, 283, 295, 17, 319, 7, 19, 17, 367, 42, 131, 409, 421, 217, 445, 457, 237, 487, 503, 173, 133, 61, 47, 289, 1, 609, 156

Offset

2,2

Links

Table of n, a(n) for n=2..68.

Mathematica

Table[PrimePi[n^2]/(n*PrimePi[n]), {n, 1, 100}]

Crossrefs

Cf. A161961.

Sequence in context: A219224 A265532 A112858 * A287428 A232933 A303700

Adjacent sequences: A161957 A161958 A161959 * A161961 A161962 A161963

Keyword

nonn,frac

Author

Daniel Tisdale, Jun 22 2009

Extensions

More terms from R. J. Mathar, Oct 05 2009

Status

approved