A036643 Number of 6-ary rooted trees with n nodes and height exactly 5.

0, 0, 0, 0, 0, 1, 4, 13, 36, 93, 225, 524, 1179, 2596, 5597, 11893, 24915, 51649, 105981, 215731, 435761, 874620, 1744890, 3463013, 6839211, 13448100, 26334344, 51374820, 99868542, 193493456, 373705537, 719606064, 1381698784, 2645695793

Offset

0,7

Links

Sean A. Irvine, Table of n, a(n) for n = 0..1555

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

Crossrefs

Sequence in context: A221882 A235996 A036636 * A000299 A102301 A206603

Adjacent sequences: A036640 A036641 A036642 * A036644 A036645 A036646

Keyword

nonn,fini,full

Author

N. J. A. Sloane.

Status

approved