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A217300 Number of height maximal AVL trees with n (leaf-) nodes. 4
1, 1, 2, 1, 4, 6, 4, 16, 32, 44, 60, 70, 128, 448, 864, 1552, 2720, 4288, 6312, 9004, 4096, 22528, 67584, 159744, 334080, 644992, 1195008, 2158912, 3811904, 6617184, 11307904, 18978576, 31327104, 1048576, 9437184, 44564480, 153092096, 437649408, 1107951616 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
Wikipedia, AVL tree
FORMULA
a(n) = A143897(A072649(n)-1,n) = A217298(A072649(n)-1,n).
CROSSREFS
Cf. A217299.
Sequence in context: A217298 A217299 A333340 * A036662 A134306 A006265
KEYWORD
nonn,look
AUTHOR
Alois P. Heinz, Mar 17 2013
STATUS
approved

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Last modified March 4 23:31 EST 2024. Contains 370537 sequences. (Running on oeis4.)