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A177288 as a simple table

n a(n)
1 1
2 6
3 90
4 2520
5 113400
6 7484400
7 681080400
8 81729648000
9 7580424852000
10 569159625434400
11 36636506215016400

[1,6,90,2520,113400,7484400,681080400,81729648000,
 7580424852000,569159625434400,36636506215016400]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)