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A193662 as a simple table

n a(n)
0 2
1 1
2 5
3 7
4 25
5 51
6 149
7 351
8 945
9 2347
10 6125
11 15511
12 40009
13 102051
14 262085
15 670287
16 1718625
17 4399771
18 11274269
19 28873351

[2,1,5,7,25,51,149,351,945,2347,6125,15511,40009,
 102051,262085,670287,1718625,4399771,11274269,
 28873351]

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Last modified September 26 20:36 EDT 2020. Contains 337374 sequences. (Running on oeis4.)