A095757 Number of A095747-primes in range ]2^n,2^(n+1)].

1, 2, 2, 3, 2, 6, 4, 7, 7, 10, 9, 26, 20, 43, 27, 74, 41, 112, 93, 181, 167, 495, 274, 796, 558, 1232, 935, 2602, 1512, 5164, 3275, 8689, 6309

Offset

1,2

Comments

Ratio a(n)/A036378(n) converges as follows: 1, 1, 1, 0.6, 0.285714, 0.461538, 0.173913, 0.162791, 0.093333, 0.072993, 0.035294, 0.056034, 0.022936, 0.026675, 0.008911, 0.012962, 0.003814, 0.005493, 0.002407, 0.00246, 0.00119, 0.001846, 0.000533, 0.000807, 0.000295, 0.000338, 0.000133, 0.000192, 0.000058, 0.000102, 0.000033, 0.000046, 0.000017

Links

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

A. Karttunen, 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

The last nonzero terms from each row of triangle A095759. Bisection: A095760.

Sequence in context: A128710 A341105 A290309 * A144368 A094438 A156098

Adjacent sequences: A095754 A095755 A095756 * A095758 A095759 A095760

Keyword

nonn

Author

Antti Karttunen, Jun 12 2004

Status

approved