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 A038820 Number of primes less than n*10^11. 21
 4118054813, 8007105059, 11818439135, 15581005657, 19308136142, 23007501786, 26684074310, 30341383527, 33981987586, 37607912018, 41220703418, 44821651132, 48411812843, 51992079337, 55563209929, 59125832286 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Robert G. Wilson v, Table of n, a(n) for n = 1..10000 Tomás Oliveira e Silva, Tables of values of pi(x) and of pi2(x) Andrew R. Booker, The Nth Prime Page MATHEMATICA Table[ PrimePi[ n*10^11 ], {n, 1, 18}] PROG (PARI) a(n)=primepi(10^11*n) \\ Charles R Greathouse IV, Apr 29 2015 CROSSREFS Cf. A038801, A028505, A038812, A038813, A038814, A038815, A038816, A038817, A038818, A038819, A038821, A080122, A080123, A080124, A080125, A080126, A080127, A080128, A080129. Sequence in context: A173255 A234051 A038831 * A198161 A244064 A255344 Adjacent sequences:  A038817 A038818 A038819 * A038821 A038822 A038823 KEYWORD nonn AUTHOR EXTENSIONS Edited and extended by Robert G. Wilson v, Jan 29 2003 STATUS approved

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Last modified January 24 04:30 EST 2020. Contains 331182 sequences. (Running on oeis4.)