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A080297
Orbit size of each tree A080293(n) under Meeussen's bf<->df map on binary trees.
3
1, 3, 202, 41888
OFFSET
0,2
COMMENTS
This is the size of the cycle containing A080295(n) in the permutations A057117/A057118.
FORMULA
a(n) = A080311(A080295(n)).
CROSSREFS
Sequence in context: A306630 A140654 A229602 * A080274 A076531 A269552
KEYWORD
nonn,more
AUTHOR
Antti Karttunen, Mar 02 2003
STATUS
approved