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: A004101 A003405 A114319 this_sequence A066739 A066815 A106182

Adjacent sequences: A089423 A089424 A089425 this_sequence A089427 A089428 A089429

nonn

Antti Karttunen (His_Firstname.His_Surname(AT)iki.fi), Nov 29 2003