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A126085 Number of n-node rooted trees of height 9. 2
0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 9, 53, 251, 1043, 3961, 14102, 47816, 156129, 494769, 1530583, 4642490, 13853571, 40779959, 118666510, 341938083, 977028128, 2771407719, 7811504825, 21895173627, 61069528116, 169590519864, 469117076770 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,11
LINKS
J. Riordan, Enumeration of trees by height and diameter, IBM J. Res. Dev. 4 (1960), 473-478.
MAPLE
For Maple program see link in A000235.
CROSSREFS
Column h=9 of A034781.
Sequence in context: A094793 A197499 A036425 * A055854 A202514 A005025
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Mar 02 2007
STATUS
approved

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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)