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%I #8 Jun 06 2024 17:08:27
%S 21127269486018731928,41644391885053857293,61943374158983520871,
%T 82103246362658124007,102160925813497229402,122137912741771709423,
%U 142048291427909819758,161902001837504830333,181706431926947074426,201467286689315906290
%N Number of primes less than n*10^21.
%H Chai Wah Wu, <a href="/A116356/b116356.txt">Table of n, a(n) for n = 1..53</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]
%Y Cf. A000720, A038801, A028505, A038812, A038813, A038814, A038815, A038816, A038817, A038818, A038819.
%Y Cf. A038820, A038821, A038822, A080123, A080124, A080125, A080126, A080127, A080128, A080129.
%K nonn
%O 1,1
%A _Robert G. Wilson v_, Feb 04 2006