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%I #8 Feb 27 2020 03:01:27
%S 0,1,3,15,79,463,2842,18261,120834,819229,5658536,39685005,281826519,
%T 2022583829,14645875257,106873747884
%N Number of chair trees constructed from n chairs.
%H Isaac B. Michael and M. R. Sepanski, <a href="https://ajc.maths.uq.edu.au/pdf/66/ajc_v66_p192.pdf">Net regular signed trees</a>, Australasian Journal of Combinatorics, Volume 66(2) (2016), 192-204.
%K nonn,more
%O 0,3
%A _N. J. A. Sloane_, Sep 11 2017
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