A095016 Number of 6k+5 primes (A007528) in range [2^n,2^(n+1)].

0, 1, 1, 3, 4, 6, 12, 23, 38, 68, 129, 236, 438, 806, 1516, 2864, 5388, 10178, 19327, 36839, 70201, 134151, 256884, 492947, 947240, 1822831, 3513553, 6781479, 13103713, 25349311, 49091941, 95168089, 184662764, 358633903, 697097374, 1356055862, 2639879029, 5142830496

Offset: 1

Author

Antti Karttunen and Labos Elemer, Jun 01 2004

Keywords

• nonn

Links

• Antti Karttunen and John Moyer, C-program for computing the initial terms of this sequence.
• Index entries for sequences related to occurrences of various subsets of primes in range ]2^n,2^(n+1)].

Crossrefs

Cf. A007528, A036378, A095015.

Formula

a(n) = A036378(n) - A095015(n) for n >= 2.

Extensions

a(34)-a(38) from Amiram Eldar, Jun 12 2024