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 A053511 #18 Jul 02 2025 16:01:59 %S A053511 4,9,7,1,4,9,8,7,2,6,9,4,1,3,3,8,5,4,3,5,1,2,6,8,2,8,8,2,9,0,8,9,8,8, %T A053511 7,3,6,5,1,6,7,8,3,2,4,3,8,0,4,4,2,4,4,6,1,3,4,0,5,3,4,9,9,9,2,4,9,4, %U A053511 7,1,1,2,0,8,9,5,5,2,6,7,4,6,5,5,5,4,7,3,8,6,4,6,4,2,9,1,2,2,2,3,6,9,4,2,8 %N A053511 Decimal expansion of log_10 (Pi). %H A053511 G. C. Greubel, <a href="/A053511/b053511.txt">Table of n, a(n) for n = 0..5000</a> %e A053511 0.49714987269413385435126828829089887365167832438... %t A053511 RealDigits[Log[10, Pi], 10, 105][[1]] (* _Alonso del Arte_, Sep 05 2012 *) %o A053511 (PARI) log(Pi)/log(10) \\ _Charles R Greathouse IV_, Sep 05 2012 %o A053511 (Magma) SetDefaultRealField(RealField(100)); R:= RealField(); Log(10, Pi(R)); // _G. C. Greubel_, May 15 2019 %o A053511 (Sage) numerical_approx(log(pi, 10), digits=100) # _G. C. Greubel_, May 15 2019 %Y A053511 Cf. A053510 (log(Pi)), A002392 (log(10)). %K A053511 cons,easy,nonn %O A053511 0,1 %A A053511 Hsu, Po-Wei (Benny) (arsene_lupin(AT)intekom.co.za), Jan 14 2000 %E A053511 More terms from _James Sellers_, Jan 20 2000