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%I #22 Sep 08 2022 08:44:41
%S 4,4,9,9,8,0,9,6,7,0,3,3,0,2,6,5,0,6,6,8,0,8,4,8,1,9,2,8,5,2,9,4,1,5,
%T 6,1,6,8,9,6,0,8,2,6,0,4,2,7,4,2,7,1,8,7,9,5,0,2,7,1,6,5,6,8,2,4,2,5,
%U 6,1,1,9,6,1,1,4,5,7,0,4,1,3,9,8,3,2,2,8,7,1,4,7,1,7,0,6,2,4,7
%N Decimal expansion of log(90).
%H Harry J. Smith, <a href="/A016713/b016713.txt">Table of n, a(n) for n = 1..20000</a>
%H M. Abramowitz and I. A. Stegun, eds., <a href="http://www.convertit.com/Go/ConvertIt/Reference/AMS55.ASP">Handbook of Mathematical Functions</a>, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy].
%H <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>
%e 4.499809670330265066808481928529415616896082604274271879502716568242561....
%t RealDigits[Log[90], 10, 100][[1]] (* _G. C. Greubel_, Sep 17 2018 *)
%o (PARI) default(realprecision, 20080); x=log(90); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b016713.txt", n, " ", d)); \\ _Harry J. Smith_, May 25 2009
%o (Magma) SetDefaultRealField(RealField(100)); Log(90); // _G. C. Greubel_, Sep 17 2018
%Y Cf. A016518 (continued fraction).
%K nonn,cons
%O 1,1
%A _N. J. A. Sloane_