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%I A016642 #25 Jun 10 2024 07:52:32
%S A016642 2,9,4,4,4,3,8,9,7,9,1,6,6,4,4,0,4,6,0,0,0,9,0,2,7,4,3,1,8,8,7,8,5,3,
%T A016642 5,3,7,2,3,7,3,7,9,2,6,1,2,9,9,1,2,8,8,1,8,5,3,7,9,6,0,2,3,6,4,0,9,2,
%U A016642 9,2,7,0,2,0,6,4,1,9,7,2,8,8,7,1,4,1,5,8,3,8,3,8,1,5,7,3,9,8,9
%N A016642 Decimal expansion of log(19).
%D A016642 M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, 1964 (and various reprintings), p. 2.
%H A016642 Harry J. Smith, Table of n, a(n) for n = 1..20000
%H A016642 M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy].
%H A016642 Index entries for transcendental numbers
%F A016642 Equals 2*log(2)+log(5)-Sum_{k>=1} 1/(k*20^k). - _R. J. Mathar_, Jun 10 2024
%e A016642 2.944438979166440460009027431887853537237379261299128818537960236409292... - _Harry J. Smith_, May 17 2009
%t A016642 First[RealDigits[Log[19], 10, 100]] (* _Paolo Xausa_, Mar 21 2024 *)
%o A016642 (PARI) default(realprecision, 20080); x=log(19); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b016642.txt", n, " ", d)); \\ _Harry J. Smith_, May 17 2009
%Y A016642 Cf. A016447 Continued fraction.
%K A016642 nonn,cons
%O A016642 1,1
%A A016642 _N. J. A. Sloane_
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