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A220917 as a simple table

n a(n)
1 1
2 8
3 37
4 165
5 749
6 3279
7 13865
8 57374
9 233955
10 945919
11 3806673
12 15279785
13 61241380
14 245248287
15 981633428
16 3927941234
17 15714642964
18 62863639188
19 251459531333
20 1005822291342
21 4023141288428
22 16091775934984
23 64363479233826

[1,8,37,165,749,3279,13865,57374,233955,945919,
 3806673,15279785,61241380,245248287,981633428,
 3927941234,15714642964,62863639188,251459531333,
 1005822291342,4023141288428,16091775934984,
 64363479233826]

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Last modified June 28 07:25 EDT 2022. Contains 354903 sequences. (Running on oeis4.)