%I #16 May 15 2019 05:53:50
%S 1,1,2,3,6,9,17,28,49,83,145,246,427,729,1256,2152,3702,6341,10892,
%T 18662,32016,54853,94034,161055,275929,472461,809033,1384848,2370434,
%U 4056309,6940744,11873769,20311018,34737781,59405959,101577454,173669088,296890268
%N Number of rooted trees of 2n+1 nodes with every leaf at height n.
%H Vaclav Kotesovec, <a href="/A074045/b074045.txt">Table of n, a(n) for n = 0..3500</a> (terms 0..250 from Alois P. Heinz)
%H <a href="/index/Ro#rooted">Index entries for sequences related to rooted trees</a>
%F a(n) = A244925(2n+1,n).
%Y Limit of A048808-A048815.
%Y Cf. A244925.
%K nonn,eigen
%O 0,3
%A _Christian G. Bower_, Aug 13 2002. Suggested by _Paul D. Hanna_