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 A155496 #16 Sep 08 2022 08:45:40 %S A155496 1,5,3,9,5,0,1,8,4,9,5,6,2,9,6,0,5,0,3,3,3,2,1,0,5,6,3,9,6,4,8,1,4,9, %T A155496 6,7,7,4,6,3,2,0,1,6,8,5,7,1,5,2,0,8,4,2,3,3,9,5,9,1,7,3,6,8,2,4,6,7, %U A155496 7,9,4,5,6,9,0,7,7,1,9,4,4,6,6,3,7,3,7,2,2,2,7,3,5,2,0,5,4,2,2 %N A155496 Decimal expansion of log_7(20). %H A155496 Vincenzo Librandi, <a href="/A155496/b155496.txt">Table of n, a(n) for n = 1..1000</a> %H A155496 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %e A155496 1.5395018495629605033321056396481496774632016857152084233959... %t A155496 RealDigits[Log[7,20],10,120][[1]] (* _Harvey P. Dale_, Dec 08 2011 *) %o A155496 (PARI) default(realprecision, 100); log(20)/log(7) \\ _G. C. Greubel_, Sep 02 2018 %o A155496 (Magma) SetDefaultRealField(RealField(100)); Log(20)/Log(7); // _G. C. Greubel_, Sep 02 2018 %Y A155496 Cf. decimal expansion of log_7(m): A152713 (m=2), A152945 (m=3), A153103 (m=4), A153203 (m=5), A153463 (m=6), A153755 (m=8), A113211 (m=9), A154158 (m=10), A154179 (m=11), A154200 (m=12), A154294 (m=13), A154467 (m=14), A154572 (m=15), A154793 (m=16), A154857 (m=17), A154912 (m=18), A155059 (m=19), this sequence, A155591 (m=21), A155735 (m=22), A155824 (m=23), A155964 (m=24). %K A155496 nonn,cons %O A155496 1,2 %A A155496 _N. J. A. Sloane_, Oct 30 2009