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 A154905 #13 Nov 16 2024 06:35:49 %S A154905 4,1,6,9,9,2,5,0,0,1,4,4,2,3,1,2,3,6,2,9,0,7,4,7,7,8,8,7,8,9,5,6,3,3, %T A154905 0,1,7,5,1,9,6,2,8,8,1,5,3,8,4,9,6,2,1,2,0,9,1,1,5,0,5,3,0,9,0,8,2,1, %U A154905 9,6,4,5,5,5,8,8,7,1,7,1,2,5,0,4,4,5,6,0,9,4,9,8,3,6,1,7,6,4,8 %N A154905 Decimal expansion of log_2 (18). %H A154905 Vincenzo Librandi, <a href="/A154905/b154905.txt">Table of n, a(n) for n = 1..1000</a> %H A154905 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %F A154905 Equals 1 + A020861 = 1 + 2*A020857. - _Jianing Song_, Nov 16 2024 %e A154905 4.1699250014423123629074778878956330175196288153849621209115... %t A154905 RealDigits[Log[2,18],10,120][[1]] (* _Harvey P. Dale_, Jul 12 2012 *) %Y A154905 Cf. decimal expansion of log_2(m): A020857 (m=3), A020858 (m=5), A020859 (m=6), A020860 (m=7), A020861 (m=9), A020862 (m=10), A020863 (m=11), A020864 (m=12), A152590 (m=13), A154462 (m=14), A154540 (m=15), A154847 (m=17), this sequence, A154995 (m=19), A155172 (m=20), A155536 (m=21), A155693 (m=22), A155793 (m=23), A155921 (m=24). %K A154905 nonn,cons %O A154905 1,1 %A A154905 _N. J. A. Sloane_, Oct 30 2009