A089190 a(n) = Floor[(Prime[n]+PrimePi[n])/2]

1, 2, 3, 4, 7, 8, 10, 11, 13, 16, 18, 21, 23, 24, 26, 29, 33, 34, 37, 39, 40, 43, 46, 49, 53, 55, 56, 58, 59, 61, 69, 71, 74, 75, 80, 81, 84, 87, 89, 92, 96, 97, 102, 103, 105, 106, 113, 119, 121, 122, 124, 127, 128, 133, 136, 139, 142, 143, 147, 149, 150, 155, 162, 164

Offset

1,2

Comments

Arithmetic mean of the primes and their distribution function.

Links

Table of n, a(n) for n=1..64.

Mathematica

digits=200 a=Table[Floor[(Prime[n]+PrimePi[n])/2], {n, 1, digits}]

Crossrefs

Sequence in context: A047547 A014456 A349152 * A306677 A351596 A354908

Adjacent sequences: A089187 A089188 A089189 * A089191 A089192 A089193

Keyword

nonn

Author

Roger L. Bagula, Jan 03 2004

Status

approved