A095015 Number of 6k+1 primes (A002476) in range ]2^n,2^(n+1)].

0, 1, 1, 2, 3, 7, 11, 20, 37, 69, 126, 228, 434, 806, 1514, 2845, 5361, 10212, 19308, 36747, 70135, 134065, 256824, 492871, 946880, 1822913, 3513737, 6780428, 13103565, 25348226, 49090715, 95167496, 184660541, 358633265, 697094862, 1356047971, 2639884795, 5142811282

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. A002476, A036378, A095016.

Formula

a(n) = A036378(n) - A095016(n) for n >= 2.

Extensions

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