%I #11 Aug 21 2023 09:50:14
%S 4,3,2,1,9,2,8,0,9,4,8,8,7,3,6,2,3,4,7,8,7,0,3,1,9,4,2,9,4,8,9,3,9,0,
%T 1,7,5,8,6,4,8,3,1,3,9,3,0,2,4,5,8,0,6,1,2,0,5,4,7,5,6,3,9,5,8,1,5,9,
%U 3,4,7,7,6,6,0,8,6,2,5,2,1,5,8,5,0,1,3,9,7,4,3,3,5,9,3,7,0,1,5
%N Decimal expansion of log_2 (20).
%C Equals 2 + A020858 = 1 + A020862 = A016643 / A002162. - _Michel Marcus_, Jul 28 2013
%H Vincenzo Librandi, <a href="/A155172/b155172.txt">Table of n, a(n) for n = 1..1000</a>
%H <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>
%e 4.3219280948873623478703194294893901758648313930245806120547...
%t RealDigits[Log[2, 20], 10, 100][[1]] (* _Vincenzo Librandi_, Aug 29 2013 *)
%Y 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), A154905 (m=18), A154995 (m=19), this sequence, A155536 (m=21), A155693 (m=22), A155793 (m=23), A155921 (m=24).
%K nonn,cons
%O 1,1
%A _N. J. A. Sloane_, Oct 30 2009
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