A036422 - OEIS

%I #13 Oct 31 2020 17:19:26

%S 0,0,0,0,0,0,0,1,6,26,88,267,743,1968,5006,12394,29984,71289,166927,

%T 386042,882887,1999964,4491226,10008151,22144282,48681992,106384313,

%U 231200051,499868227,1075542674,2303703530,4913213715,10436198873

%N Number of ternary rooted trees with n nodes and height exactly 7.

%H Sean A. Irvine, <a href="/A036422/b036422.txt">Table of n, a(n) for n = 0..1093</a>

%H <a href="/index/Ro#rooted">Index entries for sequences related to rooted trees</a>

%F a(n) = A036375(n) - A036374(n). - _Sean A. Irvine_, Oct 31 2020

%Y Cf. A036370, A036437.

%K nonn,fini,full

%O 0,9

%A _N. J. A. Sloane_, Eric Rains (rains(AT)caltech.edu)