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%I #4 Feb 18 2018 20:24:12
%S 1,2,3,7,13,33,73,202,488,1441,3741,11496,31311,98607,278840,895137,
%T 2599071,8452620
%N Apparently an erroneous version of A007827.
%D Joseph Felsenstein, Inferring Phylogenies. Sinauer Associates, Inc., 2004, p. 33.
%K dead
%O 3,2