A095053 Number of primes with number of 1-bits equal to one plus number 0-bits (A095073) in range ]2^2n,2^(2n+1)].

1, 1, 5, 11, 28, 105, 362, 1093, 3659, 13001, 45171, 159510, 563833, 2008295, 7333827, 26730538, 97256891, 358079458, 1324674524, 4902380577

Offset: 1

Author

Antti Karttunen, Jun 01 2004

Keywords

• nonn
• more

Examples

			In the range ]2^2,2^3] 5 (101 in binary) is the only such prime thus a(1) = 1.
Similarly, in the range ]2^4,2^5] 19 (10011 in binary) is also unique in that respect, thus a(2) = 1 as well.
		

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. A095018, A095073.

Extensions

a(17)-a(20) from Amiram Eldar, Jun 13 2024