login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A095333 Number of A095313-primes in range [2^n,2^(n+1)]. 2

%I #8 Oct 15 2021 12:25:34

%S 1,2,2,5,7,12,23,39,72,122,246,417,799,1376,2779,4846,9569,17092,

%T 34351,60653,121738,216916,440337,786408,1601964,2876617,5895645,

%U 10583728,21674188,39107151,80559309,145468029,299785833

%N Number of A095313-primes in range [2^n,2^(n+1)].

%C Ratios a(n)/A036378(n) converge as: 1, 1, 1, 1, 1, 0.923077, 1, 0.906977, 0.96, 0.890511, 0.964706, 0.898707, 0.916284, 0.853598, 0.917162, 0.848835, 0.890222, 0.838254, 0.889116, 0.824246, 0.867475, 0.808736, 0.857174, 0.797721, 0.845756, 0.789034, 0.838964, 0.780401, 0.827029, 0.771382, 0.820504, 0.764271, 0.811717

%C Ratios a(n)/A095330(n) converge as: 1, 1, 1, 1, 1, 0.923077, 1, 0.928571, 1.014085, 1, 1.020747, 1.012136, 1.012674, 0.973815, 1.003249, 0.997325, 1.002514, 1.00808, 1.009166, 1.002794,1.004099, 1.000397, 0.997992, 1.000665, 1.002604, 1.003022, 1.003571,1.00371, 1.001761, 1.001864, 1.001805, 1.001771, 1.001674

%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)-A095332(n).

%K nonn

%O 1,2

%A _Antti Karttunen_, Jun 04 2004

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 30 06:27 EDT 2024. Contains 372127 sequences. (Running on oeis4.)