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A072355 as a simple table

n a(n)
1 2
2 4
3 22
4 63
5 4202
6 4246
7 444886
8 1161238
9 9362914
10 26996486
11 545614671
12 1640386293
13 2242930954
14 2243031802
15 2243065418
16 2243115842
17 18000691527 

[2,4,22,63,4202,4246,444886,1161238,9362914,
 26996486,545614671,1640386293,2242930954,
 2243031802,2243065418,2243115842,18000691527]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)