A036421 Number of ternary rooted trees with n nodes and height exactly 6.

0, 0, 0, 0, 0, 0, 1, 5, 19, 56, 151, 374, 889, 2032, 4529, 9858, 21075, 44320, 91928, 188288, 381392, 764683, 1519026, 2991601, 5844950, 11334761, 21827329, 41755112, 79376196, 149991258, 281805933, 526546799, 978614867, 1809450608

Offset

0,8

Links

Sean A. Irvine, Table of n, a(n) for n = 0..364

Index entries for sequences related to rooted trees

Formula

a(n) = A036374(n) - A036373(n). - Sean A. Irvine, Oct 31 2020

Crossrefs

Cf. A036370, A036437.

Sequence in context: A053733 A032194 A024532 * A295776 A202658 A202118

Adjacent sequences: A036418 A036419 A036420 * A036422 A036423 A036424

Keyword

nonn,fini,full

Author

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

Status

approved