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A220731 as a simple table

n a(n)
1 1
2 64
3 9667
4 3751888
5 1208447287
6 418227762771
7 141539684300104
8 48392485908572308

[1,64,9667,3751888,1208447287,418227762771,
 141539684300104,48392485908572308]

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Last modified October 16 05:13 EDT 2021. Contains 348035 sequences. (Running on oeis4.)