0,3
The number of orbits to which the corresponding automorphism(s) partitions the set of A000108(n) binary trees with n internal nodes.
A. Karttunen, C-program for computing the initial terms of this sequence
Sequence in context: A101488 A089429 A049143 this_sequence A006123 A006251 A049401
Adjacent sequences: A089401 A089402 A089403 this_sequence A089405 A089406 A089407
nonn
Antti Karttunen (His_Firstname.His_Surname(AT)iki.fi), Nov 29 2003
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