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A036421 Number of ternary rooted trees with n nodes and height exactly 6. 1

%I #13 Oct 31 2020 17:16:45

%S 0,0,0,0,0,0,1,5,19,56,151,374,889,2032,4529,9858,21075,44320,91928,

%T 188288,381392,764683,1519026,2991601,5844950,11334761,21827329,

%U 41755112,79376196,149991258,281805933,526546799,978614867,1809450608

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

%H Sean A. Irvine, <a href="/A036421/b036421.txt">Table of n, a(n) for n = 0..364</a>

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

%F a(n) = A036374(n) - A036373(n). - _Sean A. Irvine_, Oct 31 2020

%Y Cf. A036370, A036437.

%K nonn,fini,full

%O 0,8

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

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Last modified March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)