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A218683 as a simple table

n a(n)
0 1
1 1
2 6
3 69
4 1432
5 52065
6 3202176
7 324172597
8 53099867136
9 13888279032129
10 5736880791449920
11 3710252136325373661
12 3729910949734728414624
13 5792791811385586637686849
14 13826260704559808415109532256
15 50488064853691920270244556417445

[1,1,6,69,1432,52065,3202176,324172597,
 53099867136,13888279032129,5736880791449920,
 3710252136325373661,3729910949734728414624,
 5792791811385586637686849,
 13826260704559808415109532256,
 50488064853691920270244556417445]

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Last modified September 25 20:01 EDT 2021. Contains 347659 sequences. (Running on oeis4.)