0,3
This gives the orbit size (under the Catalan bijection A057505) for every other binomial-mod-2 tree A080263(2*n) divided by the orbit size of the corresponding branch-reduced tree A080293(n). See comment at A080972.
Table of n, a(n) for n=0..15.
Sequence in context: A194100 A332351 A142867 * A095951 A116420 A069268
Adjacent sequences: A080974 A080975 A080976 * A080978 A080979 A080980
nonn
Antti Karttunen Mar 02 2003
approved
