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A217299 Number of height minimal AVL trees with n (leaf-) nodes. 4
1, 1, 2, 1, 4, 6, 4, 1, 32, 44, 60, 70, 56, 28, 8, 1, 2720, 4288, 6312, 9004, 11992, 14372, 15400, 14630, 11968, 8104, 4376, 1820, 560, 120, 16, 1, 31327104, 50882720, 80963520, 125489856, 188637520, 273984664, 383305008, 515461260, 665277632, 822361736 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
Wikipedia, AVL tree
FORMULA
a(n) = A143897(A029837(n),n) = A217298(A029837(n),n).
CROSSREFS
Cf. A217300.
Sequence in context: A291057 A143897 A217298 * A333340 A217300 A036662
KEYWORD
nonn,look
AUTHOR
Alois P. Heinz, Mar 17 2013
STATUS
approved

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Last modified March 1 20:05 EST 2024. Contains 370443 sequences. (Running on oeis4.)