A095021 Number of 5k+1 primes (A030430) in range [2^n,2^(n+1)].

0, 0, 1, 1, 2, 2, 7, 9, 19, 33, 64, 115, 216, 402, 754, 1434, 2669, 5116, 9651, 18382, 35064, 67056, 128394, 246349, 473469, 911468, 1757069, 3389718, 6551877, 12674065, 24546590, 47581820, 92330910, 179317301, 348546007, 678027180, 1319932246, 2571422948

Offset: 1

Author

Antti Karttunen, 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. A030430, A036378.

Extensions

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