A036638 Number of 5-ary rooted trees with n nodes and height exactly 7.
0, 0, 0, 0, 0, 0, 0, 1, 6, 26, 94, 308, 935, 2703, 7524, 20375, 53969, 140527, 360733, 915299, 2299430, 5728098, 14164216, 34799522, 85007869, 206595478, 499774485, 1203951992, 2889243181, 6909371375, 16469937376, 39142669201, 92769809724
Offset: 0
Links
- E. M. Rains and N. J. A. Sloane, On Cayley's Enumeration of Alkanes (or 4-Valent Trees), J. Integer Sequences, Vol. 2 (1999), Article 99.1.1.
- Index entries for sequences related to rooted trees