A093749 Number of prime pairs below 10^n having a difference of 28.
0, 0, 0, 5, 98, 1234, 13255, 129567, 1219243, 11287965, 103578486, 946685407, 8643973155, 78973715102, 722623290887, 6625617932534, 60889631777778, 560938901663498
Offset: 1
Examples
a(5) = 98 because there are 98 prime gaps of 28 below 10^5.
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