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A059949 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 0
6 535
7 51640
8 2771685
9 114713760
10 4127125695
11 136631722920
12 4292250804985
13 130278290187760
14 3863262740532195
15 112733098867629240
16 3252644718804860925
17 93093809127731630400
18 2649006256251644780935

[0,0,0,0,0,535,51640,2771685,114713760,4127125695,
 136631722920,4292250804985,130278290187760,
 3863262740532195,112733098867629240,
 3252644718804860925,93093809127731630400,
 2649006256251644780935]

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Last modified December 9 01:35 EST 2021. Contains 349624 sequences. (Running on oeis4.)