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A166992 as a simple table

n a(n)
0 1
1 2
2 11
3 74
4 621
5 5850
6 60212
7 659712
8 7583514
9 90494068
10 1112755389
11 14022849582
12 180362150901
13 2360201899690
14 31344689243344
15 421621652965160
16 5734850816825046
17 78773961705345324
18 1091497852618784390

[1,2,11,74,621,5850,60212,659712,7583514,90494068,
 1112755389,14022849582,180362150901,2360201899690,
 31344689243344,421621652965160,5734850816825046,
 78773961705345324,1091497852618784390]

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Last modified October 16 03:52 EDT 2021. Contains 348035 sequences. (Running on oeis4.)