A095326 Number of A095316-primes in range [2^n,2^(n+1)].

1, 2, 2, 5, 7, 13, 20, 42, 65, 122, 203, 412, 718, 1413, 2381, 4859, 8266, 16955, 28995, 60484, 105524, 216830, 376969, 785885, 1383287, 2867949, 5044969, 10544609, 18699214, 39034399, 69349061, 145210901, 259051224

Offset

1,2

Comments

Ratios a(n)/A036378(n) converge as: 1, 1, 1, 1, 1, 1, 0.869565, 0.976744, 0.866667, 0.890511, 0.796078, 0.887931, 0.823394, 0.876551, 0.785809, 0.851112, 0.769002, 0.831535, 0.750485, 0.82195, 0.751938, 0.808416, 0.73382, 0.797191, 0.730306, 0.786657, 0.717911, 0.777517, 0.713512, 0.769947, 0.706327, 0.76292, 0.701421

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)-A095327(n).

Sequence in context: A095295 A095333 A319005 * A095330 A036378 A265813

Adjacent sequences: A095323 A095324 A095325 * A095327 A095328 A095329

Keyword

nonn

Author

Antti Karttunen, Jun 04 2004

Status

approved