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A036778 Number of labeled rooted trees on 2n+1 nodes each node having an even number of children. +0
2
1, 3, 65, 3787, 427905, 79549811, 22036379521, 8513206310715, 4374455745966593, 2885264091484122979, 2376040584184726335681, 2389484304129542889498923, 2881763610489447544905661825, 4105338427962827177938910410707, 6820519958449287654130653696838145 (list; graph; listen)
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Last modified December 5 17:24 EST 2009. Contains 170342 sequences.


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