A095325 - OEIS

A095325

Number of A095323-primes in range ]2^n,2^(n+1)].

1, 2, 2, 4, 7, 12, 19, 30, 67, 102, 211, 340, 722, 1146, 2329, 3992, 8423, 14010, 29281, 49682, 105893, 180016, 378928, 654049, 1385920, 2387358, 5069466, 8820563, 18782814, 32732736, 69445570, 121964573, 259680216

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OFFSET

1,2

COMMENTS

Ratios a(n)/A036378(n) converge as: 1, 1, 1, 0.8, 1, 0.923077, 0.826087, 0.697674, 0.893333, 0.744526, 0.827451, 0.732759, 0.827982, 0.710918, 0.768647, 0.699247, 0.783608, 0.687102, 0.757888, 0.675156, 0.754568, 0.671161, 0.737633, 0.663458, 0.731696, 0.654834, 0.721397, 0.650393, 0.716702, 0.645647, 0.70731, 0.640787, 0.703124

Ratios a(n)/A095054(n) converge as: 1, 1, 1, 1, 1, 1.2, 0.95, 0.9375, 1.030769, 1.051546, 1.039409, 1.017964, 1.005571,1.014159, 0.97816, 1.009866, 1.018993, 1.007117, 1.009864, 1.002381,1.003497, 1.006182, 1.005197, 1.005142, 1.001903, 1.002926, 1.004856,1.004575, 1.004471, 1.003502, 1.001392, 1.002787, 1.002428

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)-A095324(n).

Sequence in context: A316210 A032162 A000983 * A179183 A325786 A244457

Adjacent sequences: A095322 A095323 A095324 * A095326 A095327 A095328

KEYWORD

nonn

AUTHOR

Antti Karttunen, Jun 04 2004

STATUS

approved