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A279461 as a simple table

n a(n)
1 2
2 6
3 33
4 180
5 1024
6 5228
7 26670
8 134438
9 670407
10 3310176
11 16219930
12 78973826
13 382408399
14 1842856150
15 8843787665
16 42284752666
17 201514337962
18 957534960784
19 4537926120718
20 21454758254236
21 101215638872346
22 476553258095432

[2,6,33,180,1024,5228,26670,134438,670407,3310176,
 16219930,78973826,382408399,1842856150,8843787665,
 42284752666,201514337962,957534960784,
 4537926120718,21454758254236,101215638872346,
 476553258095432]

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Last modified May 17 10:16 EDT 2022. Contains 353745 sequences. (Running on oeis4.)