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A211311 as a simple table

n a(n)
1 1
2 68
3 34236
4 62758896
5 304863598320
6 3242854167461280
7 66429116436728636640
8 2389384600126093124110080

[1,68,34236,62758896,304863598320,
 3242854167461280,66429116436728636640,
 2389384600126093124110080]

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Last modified August 11 09:56 EDT 2020. Contains 336423 sequences. (Running on oeis4.)