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 A154859 #12 Aug 21 2023 10:00:47 %S A154859 1,2,8,9,4,5,0,9,6,1,5,8,1,2,8,2,9,4,6,7,5,8,1,8,7,1,2,2,3,2,0,0,8,8, %T A154859 8,2,2,2,4,0,8,7,7,1,4,7,3,6,9,7,2,3,3,9,4,7,4,6,8,8,7,3,0,4,4,7,0,4, %U A154859 8,6,8,4,3,5,2,6,1,9,0,7,1,2,8,1,5,0,6,9,8,7,9,9,9,5,8,1,8,9,2 %N A154859 Decimal expansion of log_9 (17). %H A154859 Vincenzo Librandi, <a href="/A154859/b154859.txt">Table of n, a(n) for n = 1..1000</a> %H A154859 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %e A154859 1.2894509615812829467581871223200888222408771473697233947468... %t A154859 RealDigits[Log[9, 17], 10, 100][[1]] (* _Vincenzo Librandi_, Sep 01 2013 *) %o A154859 (PARI) default(realprecision, 100); log(17)/log(9) \\ _G. C. Greubel_, Sep 01 2018 %o A154859 (Magma) SetDefaultRealField(RealField(100)); Log(17)/Log(9); // _G. C. Greubel_, Sep 01 2018 %Y A154859 Cf. decimal expansion of log_9(m): A152747 (m=2), A153205 (m=5), A153495 (m=6), A153619 (m=7), A153756 (m=8), A154160 (m=10), A154181 (m=11), A154202 (m=12), A154339 (m=13), A154469 (m=14), A154578 (m=15), this sequence, A154947 (m=18), A155061 (m=19), A155503 (m=20), A155676 (m=21), A155743 (m=22), A155829 (m=23), A155976 (m=24). %K A154859 nonn,cons %O A154859 1,2 %A A154859 _N. J. A. Sloane_, Oct 30 2009