A036420 Number of ternary rooted trees with n nodes and height exactly 5.
0, 0, 0, 0, 0, 1, 4, 13, 32, 74, 155, 316, 612, 1160, 2126, 3829, 6737, 11672, 19856, 33332, 55112, 90014, 145105, 231200, 363985, 566692, 872274, 1328167, 2000224, 2980316, 4393106, 6407555, 9246741, 13204470, 18657868, 26088224, 36095090
Offset: 0
Links
- Sean A. Irvine, Table of n, a(n) for n = 0..121
- 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