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Number of rooted trees with n nodes with every leaf at height 6.
3

%I #15 Dec 19 2015 13:11:10

%S 1,1,2,3,6,9,17,27,47,78,135,224,384,642,1088,1827,3088,5182,8736,

%T 14661,24660,41378,69500,116534,195509,327627,549104,919593,1539985,

%U 2577399,4313102,7214374,12064930,20169283,33710370,56324729,94089240

%N Number of rooted trees with n nodes with every leaf at height 6.

%H Alois P. Heinz, <a href="/A048811/b048811.txt">Table of n, a(n) for n = 7..1000</a>

%H N. J. A. Sloane, <a href="/transforms.txt">Transforms</a>

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

%F Euler transform of A048810 shifted right.

%Y Cf. A048808-A048816.

%Y Column k=6 of A244925.

%K nonn

%O 7,3

%A _Christian G. Bower_, Apr 15 1999