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A163290 as a simple table

n a(n)
0 1
1 50
2 2450
3 120050
4 5881225
5 288120000
6 14114940000
7 691488000000
8 33875854559400
9 1659571130851200
10 81302047554268800
11 3982970548016611200
12 195124905996721243200
13 9559128916780140902400
14 468299754871670360217600

[1,50,2450,120050,5881225,288120000,14114940000,
 691488000000,33875854559400,1659571130851200,
 81302047554268800,3982970548016611200,
 195124905996721243200,9559128916780140902400,
 468299754871670360217600]

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Last modified June 13 20:25 EDT 2021. Contains 345009 sequences. (Running on oeis4.)