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A108800 as a simple table

n a(n)
0 1
1 2
2 6
3 28
4 330
5 28960
6 216562364
7 5592326182940100

[1,2,6,28,330,28960,216562364,5592326182940100]

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Last modified January 29 04:57 EST 2020. Contains 331335 sequences. (Running on oeis4.)