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A137802 as a simple table

n a(n)
1 0
2 3
3 150
4 31185
5 12999420
6 9622703475
7 11539805487210
8 20981809690466625
9 54997428661808232600
10 199760599884519009411075
11 973866344327734952575230750
12 6207575427404936259602204502225

[0,3,150,31185,12999420,9622703475,11539805487210,
 20981809690466625,54997428661808232600,
 199760599884519009411075,
 973866344327734952575230750,
 6207575427404936259602204502225]

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Last modified November 26 21:07 EST 2021. Contains 349344 sequences. (Running on oeis4.)