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A038821
Number of primes less than n*10^12.
21
37607912018, 73301896139, 108340298703, 142966208126, 177291661649, 211381427039, 245277688804, 279010070811, 312600354108, 346065536839, 379418886337, 412671294782, 445831610611, 478907544860, 511905471132
OFFSET
1,1
LINKS
Andrew R. Booker, The Nth Prime Page
MATHEMATICA
Table[ PrimePi[ n*10^12 ], {n, 1, 15}]
PROG
(PARI) a(n)=primepi(10^12*n) \\ Charles R Greathouse IV, Apr 29 2015
KEYWORD
nonn
AUTHOR
EXTENSIONS
Edited, corrected and extended by Robert G. Wilson v, Jan 29 2003
STATUS
approved