A093746 Number of prime pairs below 10^n having a difference of 22.
0, 0, 0, 16, 223, 2172, 19451, 175945, 1569679, 13954281, 124059643, 1105634145, 9888091790, 88792328084, 800651549083, 7249252855793, 65896837322878, 601279985076759
Offset: 1
Examples
a(4) = 16 because there are 16 prime gaps of 22 below 10^4.
Links
- Siegfried "Zig" Herzog, Frequency of Occurrence of Prime Gaps
- T. Oliveira e Silva, S. Herzog, and S. Pardi, Empirical verification of the even Goldbach conjecture and computation of prime gaps up to 4.10^18, Math. Comp., 83 (2014), 2033-2060.
Extensions
a(10)-a(13) from Washington Bomfim, Jun 22 2012
a(14)-a(18) from S. Herzog's website added by Giovanni Resta, Aug 14 2018