A095331 - OEIS

%I #6 Mar 31 2012 14:02:23

%S 0,0,0,0,0,0,0,1,4,15,14,52,83,199,260,850,1204,3435,4596,13102,19095,

%T 51386,72485,199933,296317,777795,1152625,3017298,4571188,11663138,

%U 17768490,45124684,70038513

%N Number of A095321-primes in range ]2^n,2^(n+1)].

%C Ratios a(n)/A036378(n) converge as: 0, 0, 0, 0, 0, 0, 0, 0.023256, 0.053333, 0.109489, 0.054902, 0.112069, 0.095183, 0.123449, 0.085809, 0.148888, 0.11201, 0.168465, 0.118959, 0.17805, 0.136066, 0.191584, 0.141102, 0.202809, 0.15644, 0.213343, 0.164021, 0.222483, 0.174424, 0.230053, 0.180974, 0.23708, 0.18964

%H A. Karttunen and J. Moyer: <a href="/A095062/a095062.c.txt">C-program for computing the initial terms of this sequence</a>

%H <a href="/index/Pri#primesubsetpop2">Index entries for sequences related to occurrences of various subsets of primes in range ]2^n,2^(n+1)]</a>

%Y a(n) = A036378(n)-A095330(n).

%K nonn

%O 1,9

%A _Antti Karttunen_, Jun 04 2004