A048812 Number of rooted trees with n nodes with every leaf at height 7.

1, 1, 2, 3, 6, 9, 17, 28, 48, 81, 140, 236, 405, 686, 1169, 1984, 3375, 5723, 9721, 16478, 27949, 47354, 80245, 135869, 230054, 389304, 658706, 1114072, 1883900, 3184602, 5382321, 9094154, 15362767, 25946131, 43811971, 73964065

Offset

8,3

Links

Alois P. Heinz, Table of n, a(n) for n = 8..1000

N. J. A. Sloane, Transforms

Index entries for sequences related to rooted trees

Formula

Euler transform of A048811 shifted right.

Crossrefs

Cf. A048808-A048816.

Column k=7 of A244925.

Sequence in context: A048811 A142155 A092351 * A048813 A048814 A048815

Adjacent sequences: A048809 A048810 A048811 * A048813 A048814 A048815

Keyword

nonn

Author

Christian G. Bower, Apr 15 1999

Status

approved