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A009687 as a simple table

n a(n)
0 1
1 116
2 221776
3 2035313216
4 57114906593536
5 3831406959743783936
6 525282700343846052745216
7 132012923141044737907744587776
8 56143990156951992731353775556591616

[1,116,221776,2035313216,57114906593536,
 3831406959743783936,525282700343846052745216,
 132012923141044737907744587776,
 56143990156951992731353775556591616]

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Last modified March 29 05:16 EDT 2024. Contains 371264 sequences. (Running on oeis4.)