A036422 - OEIS

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A036422

Number of ternary rooted trees with n nodes and height exactly 7.

1

0, 0, 0, 0, 0, 0, 0, 1, 6, 26, 88, 267, 743, 1968, 5006, 12394, 29984, 71289, 166927, 386042, 882887, 1999964, 4491226, 10008151, 22144282, 48681992, 106384313, 231200051, 499868227, 1075542674, 2303703530, 4913213715, 10436198873

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,9

LINKS

Sean A. Irvine, Table of n, a(n) for n = 0..1093

Index entries for sequences related to rooted trees

FORMULA

a(n) = A036375(n) - A036374(n). - Sean A. Irvine, Oct 31 2020

CROSSREFS

Cf. A036370, A036437.

Sequence in context: A224035 A172207 A060101 * A166214 A032169 A032196

Adjacent sequences: A036419 A036420 A036421 * A036423 A036424 A036425

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane, Eric Rains (rains(AT)caltech.edu)

STATUS

approved