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A095757 Number of A095747-primes in range ]2^n,2^(n+1)]. 4
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 (list; graph; refs; listen; history; internal format)
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

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: A078224 A159688 A128710 * A144368 A094438 A156098

Adjacent sequences:  A095754 A095755 A095756 * A095758 A095759 A095760

KEYWORD

nonn

AUTHOR

Antti Karttunen (his-firstname.his-surname(AT)iki.fi), Jun 12 2004

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Last modified February 14 13:08 EST 2012. Contains 205623 sequences.