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A036636
Number of 5-ary rooted trees with n nodes and height exactly 5.
1
0, 0, 0, 0, 0, 1, 4, 13, 36, 93, 221, 509, 1128, 2448, 5191, 10851, 22335, 45478, 91583, 182865, 362078, 711987, 1390733, 2700853, 5216235, 10024242, 19172599, 36509036, 69229008, 130751300, 245999814, 461129979, 861306027, 1603189950
OFFSET
0,7
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.
CROSSREFS
Sequence in context: A053563 A221882 A235996 * A036643 A000299 A102301
KEYWORD
nonn,fini,full
AUTHOR
STATUS
approved