A080977 a(n) = A080272(2*n)/A080292(n).

1, 1, 6, 2, 14, 14, 22, 22, 18, 18, 46, 46, 62, 62, 26, 26

Offset: 0

Author

Antti Karttunen, Mar 02 2003

Keywords

• nonn
• more

Comments

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.