%I A051491
%S A051491 2,9,5,5,7,6,5,2,8,5,6,5,1,9,9,4,9,7,4,7,1,4,8,1,7,5,2,4,1,2,3,1,9,
%T A051491 4,5,8,8,3,7,5,4,9,2,3,0,4,6,6,3,5,9,6,5,9,5,3,5,0,4,7,2,4,7,8,9,0,
%U A051491 5,9,6,4,7,3,3,1,3,9,5,7,4,9,5,1,0,8,6,6,6,8,2,8,3,6,7,6,5,8,1,3,5
%N A051491 Decimal expansion of Otter's rooted tree constant: lim_{n->inf} A000081(n+1)/
               A000081(n).
%D A051491 S. R. Finch, Mathematical Constants, Cambridge, 2003, pp. 295-316.
%H A051491 S. R. Finch, <a href="http://algo.inria.fr/bsolve/constant/otter/otter.html">
               Otter's Tree Enumeration Constants</a>
%H A051491 S. Plouffe, <a href="http://pi.lacim.uqam.ca/piDATA/treegrowth.txt">Tree-growth 
               constant to 1800 digits</a>
%H A051491 <a href="Sindx_Tra.html#trees">Index entries for sequences related to 
               trees</a>
%H A051491 <a href="Sindx_Ro.html#rooted">Index entries for sequences related to 
               rooted trees</a>
%H A051491 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               RootedTree.html">Rooted Tree</a>
%H A051491 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               Tree.html">Tree</a>
%e A051491 2.95576528565199497...
%Y A051491 Cf. A000081, A051492.
%Y A051491 Sequence in context: A021776 A019708 A077124 this_sequence A021342 A069857 
               A076841
%Y A051491 Adjacent sequences: A051488 A051489 A051490 this_sequence A051492 A051493 
               A051494
%K A051491 nonn,cons
%O A051491 1,1
%A A051491 David Broadhurst (D.Broadhurst(AT)open.ac.uk)