This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A080126 #14 Oct 28 2021 12:59:31 %S A080126 2623557157654233,5153329362645908,7650011911220803,10125681208311322, %T A080126 12585956566571620,15034102021263820,17472251499627256, %U A080126 19901908567967065,22324189231374849,24739954287740860 %N A080126 Number of primes less than n*10^17. %H A080126 Robert G. Wilson v, <a href="/A080126/b080126.txt">Table of n, a(n) for n = 1..1000</a> %H A080126 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 A080126 Tomás Oliveira e Silva, <a href="http://sweet.ua.pt/tos/primes.html">Tables of values of pi(x) and of pi2(x)</a> %o A080126 (PARI) a(n)=primepi(10^17*n) \\ _Charles R Greathouse IV_, Apr 29 2015 %Y A080126 Cf. A038801, A028505, A038812, A038813, A038814, A038815, A038816, A038817, A038818, A038819, A038820, A038821, A080122, A080123, A080124, A080125, A080127, A080128, A080129. %K A080126 nonn %O A080126 1,1 %A A080126 _Robert G. Wilson v_ and _Jeff Burch_, Jan 29 2003