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A036506 Number of labeled 4-trees with n nodes. +0
7
0, 0, 0, 1, 1, 15, 455, 20230, 1166886, 82031250, 6768679170, 639276644655, 67876292150095, 7992910154350121, 1032869077119140625, 145221924661653841820, 22060305511905816000860, 3599313659344525384083060, 627583654087024080928783956 (list; graph; listen)
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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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