S000546


Number of primes in the range n^2 to (n + 1/log(n))^2.

3, 2, 2, 2, 3, 1, 2, 2, 3, 1, 2, 2, 2, 3, 2, 1, 1, 2, 2, 2, 2, 1, 2, 1, 3, 3, 2, 2, 2, 3, 3, 4, 2, 3, 4, 2, 4, 2, 6, 3, 2, 3, 2, 3, 3, 2, 2, 3, 2, 3, 5, 2, 3, 3, 2, 5, 4, 2, 4, 3, 4, 1, 2, 5, 3, 5, 5, 4, 5, 2, 3, 3, 6, 7, 5, 2, 4, 6, 2, 5, 3, 4, 3, 5, 3, 7, 3

2

S000546

Is this sequence always nonzero?

T. D. Noe, Plot of 5000 terms

T. D. Noe, Table of 5000 terms

(Mma) Table[PrimePi[(n + 1/Log[n])^2] - PrimePi[n^2], {n, 2, 100}]

Cf. A014085.

nonn

T. D. Noe, Mar 22 2015

© Tony D Noe 2014-2015