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A087208 as a simple table

n a(n)
0 1
1 1
2 3
3 7
4 37
5 141
6 1111
7 5923
8 62217
9 426457
10 5599531
11 46910271
12 739138093
13 7318002277
14 134523132927
15 1536780478171
16 32285551902481
17 418004290062513
18 9879378882159187
19 142957467201379447
20 3754163975220491061

[1,1,3,7,37,141,1111,5923,62217,426457,5599531,
 46910271,739138093,7318002277,134523132927,
 1536780478171,32285551902481,418004290062513,
 9879378882159187,142957467201379447,
 3754163975220491061]

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Last modified August 24 18:52 EDT 2019. Contains 326295 sequences. (Running on oeis4.)