A036419 Number of ternary rooted trees with n nodes and height exactly 4.

0, 0, 0, 0, 1, 3, 8, 15, 27, 43, 67, 97, 136, 183, 239, 300, 369, 432, 498, 551, 594, 614, 624, 601, 570, 514, 453, 378, 312, 238, 181, 128, 89, 56, 37, 20, 12, 6, 3, 1, 1

Offset: 0

Author

N. J. A. Sloane, Eric Rains (rains(AT)caltech.edu)

Keywords

• nonn
• fini
• full

Links

• A. T. Balaban, J. W. Kennedy and L. V. Quintas, The number of alkanes having n carbons and a longest chain of length d, J. Chem. Education, 65 (1988), 304-313.
• Index entries for sequences related to rooted trees

Crossrefs

Cf. A036370, A036437.