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 A099535 #7 Nov 21 2013 12:48:23 %S A099535 6,15,18,19,23,30,31,39,39,44,49,58,67,71,76,79,79,88,92,93,100,102, %T A099535 105,107,108,110,111,115,120,128,129,136,142,147,153,161,161,168,173, %U A099535 178,178,178,179,182,186,189,195,195,197,202,207,209,214,218,219,221,221 %N A099535 Sum of the first n decimal places of log(2). %e A099535 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 A099535 Accumulate[RealDigits[Log[2],10,100][[1]]] (* _Harvey P. Dale_, Mar 23 2011 *) %Y A099535 Cf. A039918 and A046974 for Pi, A046975 and A099534 for e. %K A099535 base,easy,nonn %O A099535 1,1 %A A099535 Mark Hudson (mrmarkhudson(AT)hotmail.com), Oct 22 2004