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A081131 as a simple table

n a(n)
0 0
1 0
2 1
3 9
4 96
5 1250
6 19440
7 352947
8 7340032
9 172186884
10 4500000000
11 129687123005
12 4086546038784
13 139788510734886
14 5159146026151936
15 204350482177734375
16 8646911284551352320
17 389289535005334947848
18 18580248257778920521728

[0,0,1,9,96,1250,19440,352947,7340032,172186884,
 4500000000,129687123005,4086546038784,
 139788510734886,5159146026151936,
 204350482177734375,8646911284551352320,
 389289535005334947848,18580248257778920521728]

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Last modified April 25 04:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)