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A118353 as a simple table

n a(n)
0 1
1 3
2 21
3 163
4 1353
5 11760
6 105681
7 973953
8 9154821
9 87428388
10 845894700
11 8273978100
12 81682757317
13 812829371205
14 8144563709391
15 82104333340467
16 832125695906313
17 8473862660311392
18 86661931504395228
19 889705959333345756

[1,3,21,163,1353,11760,105681,973953,9154821,
 87428388,845894700,8273978100,81682757317,
 812829371205,8144563709391,82104333340467,
 832125695906313,8473862660311392,
 86661931504395228,889705959333345756]

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Last modified January 26 23:05 EST 2020. Contains 331289 sequences. (Running on oeis4.)