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A093980
Number of prime pairs below 10^n having a difference of 52.
2
0, 0, 0, 0, 7, 77, 1449, 20595, 245804, 2742998, 29110017, 299020127, 3003793520, 29716977932, 290866351434, 2825566144010, 27301389990843, 262790215350706
OFFSET
1,5
LINKS
T. Oliveira e Silva, S. Herzog, and S. Pardi, Empirical verification of the even Goldbach conjecture and computation of prime gaps up to 4.10^18, Math. Comp., 83 (2014), 2033-2060.
EXAMPLE
a(5) = 7 because there are 7 prime gaps of 52 below 10^5.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Enoch Haga, Apr 24 2004
EXTENSIONS
a(10)-a(13) from Washington Bomfim, Jun 22 2012
a(14)-a(18) from S. Herzog's website added by Giovanni Resta, Aug 14 2018
STATUS
approved