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A012850 as a simple table

n a(n)
0 1
1 1
2 21
3 765
4 46473
5 4371225
6 594635613
7 110691178325
8 27018807872657
9 8370279766396593
10 3208469378545620005
11 1491108362472114151469
12 826269720877603294674201
13 538334287550086657620232905 

[1,1,21,765,46473,4371225,594635613,110691178325,
 27018807872657,8370279766396593,
 3208469378545620005,1491108362472114151469,
 826269720877603294674201,
 538334287550086657620232905]

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Last modified July 19 15:48 EDT 2024. Contains 374410 sequences. (Running on oeis4.)