%I A073009
%S A073009 1,2,9,1,2,8,5,9,9,7,0,6,2,6,6,3,5,4,0,4,0,7,2,8,2,5,9,0,5,9,5,6,0,0,5,
%T A073009 4,1,4,9,8,6,1,9,3,6,8,2,7,4,5,2,2,3,1,7,3,1,0,0,0,2,4,4,5,1,3,6,9,4,4,
%U A073009 5,3,8,7,6,5,2,3,4,4,5,5,5,5,8,8,1,7,0,4,1,1,2,9,4,2,9,7,0,8,9,8,4,9,9
%N A073009 Decimal expansion of Sum_{n = 1 .. oo } 1/n^n.
%C A073009 This is also equal to Integral_{x = 0 .. 1 } 1/x^x.
%H A073009 Simon Plouffe, <a href="http://www.worldwideschool.org/library/books/
               sci/math/MiscellaneousMathematicalConstants/chap87.html">Sum(1/n^n,
               n=1..infinity)</a>
%H A073009 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               PowerTower.html">Power Tower</a>
%H A073009 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               SophomoresDream.html">Sophomore's Dream</a>
%e A073009 1.291285997062663540407282590595600541498619368...
%t A073009 RealDigits[N[Sum[1/n^n, {n, 1, Infinity}], 110]] [[1]]
%Y A073009 Cf. A083648.
%Y A073009 Sequence in context: A153093 A094242 A083649 this_sequence A011064 A086773 
               A074950
%Y A073009 Adjacent sequences: A073006 A073007 A073008 this_sequence A073010 A073011 
               A073012
%K A073009 cons,nonn
%O A073009 1,2
%A A073009 Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 03 2002