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A161960 Numerators to accompany A161961. 1
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified October 17 03:38 EDT 2019. Contains 328106 sequences. (Running on oeis4.)