A048810 - OEIS

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A048810

Number of rooted trees with n nodes with every leaf at height 5.

3

1, 1, 2, 3, 6, 9, 16, 26, 44, 73, 123, 203, 340, 563, 935, 1550, 2571, 4251, 7034, 11618, 19188, 31654, 52201, 85999, 141631, 233074, 383375, 630215, 1035508, 1700501, 2791309, 4579587, 7510280, 12310980, 20172075, 33039130, 54092556

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

OFFSET

6,3

LINKS

Alois P. Heinz, Table of n, a(n) for n = 6..1000

N. J. A. Sloane, Transforms

Index entries for sequences related to rooted trees

FORMULA

Euler transform of A048809 shifted right.

CROSSREFS

Cf. A048808-A048816.

Column k=5 of A244925.

Sequence in context: A093830 A320268 A118033 * A331680 A367205 A327475

Adjacent sequences: A048807 A048808 A048809 * A048811 A048812 A048813

KEYWORD

nonn

AUTHOR

Christian G. Bower, Apr 15 1999

STATUS

approved