%I #21 Apr 03 2023 10:36:09
%S 664579,1270607,1857859,2433654,3001134,3562115,4118064,4669382,
%T 5216954,5761455,6303309,6841648,7378187,7912199,8444396,8974458,
%U 9503083,10030385,10555473,11078937,11601626,12122540,12642573
%N Number of primes less than n*10^7.
%H Robert G. Wilson v, <a href="/A038816/b038816.txt">Table of n, a(n) for n = 1..10000</a>
%H Andrew R. Booker, <a href="https://t5k.org/nthprime/">The Nth Prime Page</a>
%H Thomas R. Nicely, <a href="https://faculty.lynchburg.edu/~nicely/index.html">Some Results of Computational Research in Prime Numbers</a> [See local copy in A007053]
%H Tomás Oliveira e Silva, <a href="http://sweet.ua.pt/tos/primes.html">Tables of values of pi(x) and of pi2(x)</a>
%t Table[ PrimePi[ n*10^7 ], {n, 1, 30} ]
%o (PARI) a(n)=primepi(10^7*n) \\ _Charles R Greathouse IV_, Apr 29 2015
%Y Cf. A038801, A028505, A038812, A038813, A038814, A038815, A038817, A038818, A038819, A038820, A038821, A080122, A080123, A080124, A080125, A080126, A080127, A080128, A080129.
%K nonn
%O 1,1
%A _Jeff Burch_
%E More terms from _Robert G. Wilson v_, Aug 27 2001
%E Edited and extended by _Robert G. Wilson v_, Jan 29 2003