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A321425 as a simple table

n a(n)
0 0
1 0
2 6
3 630
4 232260
5 167712300
6 207994906350
7 409639268108070
8 1206311009131027800
9 5069191623021896970600
10 29288218834810895163954750
11 225729928889064072869657010750
12 2263331356064784471285438421502700
13 28907890013735339531664032407056442500

[0,0,6,630,232260,167712300,207994906350,
 409639268108070,1206311009131027800,
 5069191623021896970600,29288218834810895163954750,
 225729928889064072869657010750,
 2263331356064784471285438421502700,
 28907890013735339531664032407056442500]

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Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)