0,1
Eric Weisstein's World of Mathematics, Tree
0.5349485...
Cf. A051491.
Sequence in context: A109681 A196406 A070367 * A198132 A117967 A068116
Adjacent sequences: A086305 A086306 A086307 * A086309 A086310 A086311
nonn,cons,more
Eric Weisstein (eric(AT)weisstein.com), Jul 15, 2003