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Number of 6k+5 primes (A007528) in range [2^n,2^(n+1)].
3

%I #21 Jun 12 2024 03:50:40

%S 0,1,1,3,4,6,12,23,38,68,129,236,438,806,1516,2864,5388,10178,19327,

%T 36839,70201,134151,256884,492947,947240,1822831,3513553,6781479,

%U 13103713,25349311,49091941,95168089,184662764,358633903,697097374,1356055862,2639879029,5142830496

%N Number of 6k+5 primes (A007528) in range [2^n,2^(n+1)].

%H Antti Karttunen and John 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>.

%F a(n) = A036378(n) - A095015(n) for n >= 2.

%Y Cf. A007528, A036378, A095015.

%K nonn

%O 1,4

%A _Antti Karttunen_ and _Labos Elemer_, Jun 01 2004

%E a(34)-a(38) from _Amiram Eldar_, Jun 12 2024