A257590 Primes that arise from an investigation of values x for which pi(x) is different from the approximations pi_2(x).

13, 19, 23, 31, 47, 53, 61, 71, 73, 79, 83, 89

Offset

1,1

Links

Table of n, a(n) for n=1..12.

Michel Planat and Patrick Solé, Improving Riemann prime counting, arXiv preprint arXiv:1410.1083 [math.NT], 2014.

Crossrefs

Sequence in context: A007627 A180525 A389417 * A121877 A109902 A214031

Adjacent sequences: A257587 A257588 A257589 * A257591 A257592 A257593

Keyword

nonn,more

Author

N. J. A. Sloane, May 10 2015

Status

approved