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A049035 Number of pairs of twin primes whose smaller element is <= 10^n-th prime. 1
5, 25, 174, 1270, 10250, 86027, 738597, 6497407 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..8.

Soren Laing Aletheia-Zomlefer, Lenny Fukshansky, Stephan Ramon Garcia, The Bateman-Horn Conjecture: Heuristics, History, and Applications, arXiv:1807.08899 [math.NT], 2018-2019. See Table 5 p. 40.

Index entries for sequences related to numbers of primes in various ranges

EXAMPLE

a(1)=5 since the 10th prime is 29 and the first 5 twin primes are {3,5}, {5,7}, {11,13}, {17,19} and {29,31}.

CROSSREFS

See A093683 for another version.

Sequence in context: A035341 A258369 A137383 * A047897 A204461 A121144

Adjacent sequences:  A049032 A049033 A049034 * A049036 A049037 A049038

KEYWORD

nonn,more

AUTHOR

Dennis S. Kluk (mathemagician(AT)ameritech.net)

EXTENSIONS

More terms from Labos Elemer, Oct 13 2000; Jud McCranie, Dec 30 2000

STATUS

approved

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Last modified April 4 07:32 EDT 2020. Contains 333213 sequences. (Running on oeis4.)