0,1
Eric Weisstein's World of Mathematics, Tree
0.5349485...
Cf. A051491.
Sequence in context: A004162 A109681 A070367 this_sequence A117967 A068116 A019172
Adjacent sequences: A086305 A086306 A086307 this_sequence A086309 A086310 A086311
nonn,cons,more
Eric Weisstein (eric(AT)weisstein.com), Jul 15, 2003
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