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Sum of the first n decimal places of log(2).
2

%I #7 Nov 21 2013 12:48:23

%S 6,15,18,19,23,30,31,39,39,44,49,58,67,71,76,79,79,88,92,93,100,102,

%T 105,107,108,110,111,115,120,128,129,136,142,147,153,161,161,168,173,

%U 178,178,178,179,182,186,189,195,195,197,202,207,209,214,218,219,221,221

%N Sum of the first n decimal places of log(2).

%e log(2) decimals = 693147180559945... so the sums are 6, 6+9, 6+9+3, 6+9+3+1,... which are 6, 15, 18, 19, ...

%t Accumulate[RealDigits[Log[2],10,100][[1]]] (* _Harvey P. Dale_, Mar 23 2011 *)

%Y Cf. A039918 and A046974 for Pi, A046975 and A099534 for e.

%K base,easy,nonn

%O 1,1

%A Mark Hudson (mrmarkhudson(AT)hotmail.com), Oct 22 2004