A245149 Number of n-node unlabeled rooted trees with thickening limbs and root outdegree (branching factor) 9.

1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 5, 5, 7, 7, 9, 9, 11, 15, 18, 23, 30, 36, 44, 54, 63, 74, 96, 112, 141, 173, 218, 261, 328, 390, 479, 587, 716, 873, 1080, 1322, 1628, 1998, 2446, 2982, 3677, 4481, 5507, 6744, 8296, 10155, 12521

Offset

10,19

Links

Alois P. Heinz, Table of n, a(n) for n = 10..150

Crossrefs

Column k=9 of A245151.

Sequence in context: A245150 A339109 A237718 * A339108 A206914 A175298

Adjacent sequences: A245146 A245147 A245148 * A245150 A245151 A245152

Keyword

nonn

Author

Alois P. Heinz, Jul 12 2014

Status

approved