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A118393 as a simple table

n a(n)
0 1
1 1
2 3
3 7
4 49
5 201
6 1411
7 7183
8 108417
9 816049
10 9966691
11 80843511
12 1381416433
13 14049020857
14 216003063459
15 2309595457471
16 72927332784001
17 1046829280528353
18 23403341433961027
19 329565129021010279
20 9695176730057249841
21 160632514329660035881

[1,1,3,7,49,201,1411,7183,108417,816049,9966691,
 80843511,1381416433,14049020857,216003063459,
 2309595457471,72927332784001,1046829280528353,
 23403341433961027,329565129021010279,
 9695176730057249841,160632514329660035881]

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Last modified June 7 16:42 EDT 2024. Contains 373203 sequences. (Running on oeis4.)