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A000060 Number of signed trees with n nodes.
(Formerly M0904 N0340)
+0
2
1, 2, 3, 10, 27, 98, 350, 1402, 5743, 24742, 108968, 492638, 2266502, 10600510, 50235931, 240882152, 1166732814, 5702046382, 28088787314, 139355139206, 695808554300, 3494391117164, 17641695461662, 89495028762682, 456009893224285, 2332997356507678, 11980753878699716, 61739654456234062, 319188605907760846 (list; graph; listen)
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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.


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