0,2

A. Karttunen, Table of n, a(n) for n = 0..1000

I.e. such i that A057515(i) is not 1. Complement of A057548. For n>0, gives the indices of trees whose degree is greater than one. (At least two top-level branches).

Sequence in context: A104704 A169884 A072726 * A143070 A206926 A005528

Adjacent sequences: A153239 A153240 A153241 * A153243 A153244 A153245

nonn

Antti Karttunen, Dec 21 2008

approved