A095014 - OEIS

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A095014

Number of 8k+-3 primes (A003629) in range [2^n,2^(n+1)].

4

1, 1, 2, 2, 5, 5, 13, 21, 40, 70, 129, 231, 434, 819, 1505, 2884, 5358, 10198, 19303, 36847, 70173, 134233, 256831, 492856, 947182, 1822968, 3513746, 6781112, 13104524, 25348436, 49092129, 95167472, 184663536, 358631365, 697100084, 1356061232, 2639871771, 5142831980

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,3

LINKS

Table of n, a(n) for n=1..38.

Antti Karttunen and John 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)].

FORMULA

a(n) = A036378(n) - A095013(n) = A095010(n) + A095011(n).

CROSSREFS

Cf. A003629, A036378, A095010, A095011, A095013.

Sequence in context: A056506 A056507 A285013 * A129996 A208355 A099363

Adjacent sequences: A095011 A095012 A095013 * A095015 A095016 A095017

KEYWORD

nonn

AUTHOR

Antti Karttunen and Labos Elemer, Jun 01 2004

EXTENSIONS

a(34)-a(38) from Amiram Eldar, Jun 12 2024

STATUS

approved