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A086618 as a simple table

n a(n)
0 1
1 2
2 7
3 33
4 183
5 1118
6 7281
7 49626
8 349999
9 2535078
10 18758265
11 141254655
12 1079364105
13 8350678170
14 65298467487
15 515349097713
16 4100346740511
17 32858696386766
18 265001681344569

[1,2,7,33,183,1118,7281,49626,349999,2535078,
 18758265,141254655,1079364105,8350678170,
 65298467487,515349097713,4100346740511,
 32858696386766,265001681344569]

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Last modified April 12 17:48 EDT 2021. Contains 342929 sequences. (Running on oeis4.)