A048811 Number of rooted trees with n nodes with every leaf at height 6.

1, 1, 2, 3, 6, 9, 17, 27, 47, 78, 135, 224, 384, 642, 1088, 1827, 3088, 5182, 8736, 14661, 24660, 41378, 69500, 116534, 195509, 327627, 549104, 919593, 1539985, 2577399, 4313102, 7214374, 12064930, 20169283, 33710370, 56324729, 94089240

Offset

7,3

Links

Alois P. Heinz, Table of n, a(n) for n = 7..1000

N. J. A. Sloane, Transforms

Index entries for sequences related to rooted trees

Formula

Euler transform of A048810 shifted right.

Crossrefs

Cf. A048808-A048816.

Column k=6 of A244925.

Sequence in context: A056532 A079289 A365377 * A142155 A092351 A048812

Adjacent sequences: A048808 A048809 A048810 * A048812 A048813 A048814

Keyword

nonn

Author

Christian G. Bower, Apr 15 1999

Status

approved