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Number of A095747-primes in range ]2^n,2^(n+1)].
4

%I #7 Mar 31 2012 14:02:23

%S 1,2,2,3,2,6,4,7,7,10,9,26,20,43,27,74,41,112,93,181,167,495,274,796,

%T 558,1232,935,2602,1512,5164,3275,8689,6309

%N Number of A095747-primes in range ]2^n,2^(n+1)].

%C Ratio a(n)/A036378(n) converges as follows: 1, 1, 1, 0.6, 0.285714, 0.461538, 0.173913, 0.162791, 0.093333, 0.072993, 0.035294, 0.056034, 0.022936, 0.026675, 0.008911, 0.012962, 0.003814, 0.005493, 0.002407, 0.00246, 0.00119, 0.001846, 0.000533, 0.000807, 0.000295, 0.000338, 0.000133, 0.000192, 0.000058, 0.000102, 0.000033, 0.000046, 0.000017

%H A. Karttunen, 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 The last nonzero terms from each row of triangle A095759. Bisection: A095760.

%K nonn

%O 1,2

%A _Antti Karttunen_, Jun 12 2004