A095329 Number of A095319-primes in range ]2^n,2^(n+1)].

1, 2, 2, 4, 4, 12, 19, 30, 43, 102, 159, 340, 537, 1146, 1914, 3992, 6378, 14010, 23145, 49682, 82295, 180016, 303833, 654049, 1098521, 2387358, 4075501, 8820563, 15062515, 32732736, 56401388, 121964573, 210680037

Offset

1,2

Comments

Ratios a(n)/A036378(n) converge as: 1, 1, 1, 0.8, 0.571429, 0.923077, 0.826087, 0.697674, 0.573333, 0.744526, 0.623529, 0.732759, 0.615826, 0.710918, 0.631683, 0.699247, 0.593358, 0.687102, 0.599068, 0.675156, 0.586414, 0.671161, 0.591451, 0.663458, 0.579964, 0.654834, 0.579953, 0.650393, 0.574745, 0.645647, 0.574454, 0.640787, 0.570449

Ratios a(n)/A095020(n) converge as: 1, 1, 1, 1, 0.8, 1.2,1.1875, 0.9375, 0.895833, 1.051546, 0.908571, 1.017964, 1.015123,1.014159, 1.034595, 1.009866, 1.016252, 1.007117, 0.99557, 1.002381,1.008245, 1.006182, 1.011728, 1.005142, 1.006148, 1.002926, 1.00328,1.004575, 1.002721, 1.003502, 1.004757, 1.002787, 1.003766

Links

Table of n, a(n) for n=1..33.

A. Karttunen and J. 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

a(n) = A036378(n)-A095328(n).

Sequence in context: A069947 A051547 A330719 * A327486 A321514 A280306

Adjacent sequences: A095326 A095327 A095328 * A095330 A095331 A095332

Keyword

nonn

Author

Antti Karttunen, Jun 04 2004

Status

approved