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A095021 Number of 5k+1 primes (A030430) in range [2^n,2^(n+1)]. 1
0, 0, 1, 1, 2, 2, 7, 9, 19, 33, 64, 115, 216, 402, 754, 1434, 2669, 5116, 9651, 18382, 35064, 67056, 128394, 246349, 473469, 911468, 1757069, 3389718, 6551877, 12674065, 24546590, 47581820, 92330910 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

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

Cf. A036378.

Sequence in context: A189040 A267214 A107386 * A275282 A307633 A101372

Adjacent sequences:  A095018 A095019 A095020 * A095022 A095023 A095024

KEYWORD

nonn

AUTHOR

Antti Karttunen, Jun 01 2004

STATUS

approved

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Last modified June 16 10:03 EDT 2019. Contains 324152 sequences. (Running on oeis4.)