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A296217 as a simple table

n a(n)
0 1
1 2
2 6
3 26
4 112
5 484
6 2088
7 9008
8 38862
9 167658
10 723308
11 3120486
12 13462360
13 58079138
14 250564260
15 1080981064
16 4663554414
17 20119445656
18 86799050160
19 374467330636
20 1615522076050
21 6969664279584
22 30068434774274
23 129720849313094
24 559639996988064
25 2414391579204576

[1,2,6,26,112,484,2088,9008,38862,167658,723308,
 3120486,13462360,58079138,250564260,1080981064,
 4663554414,20119445656,86799050160,374467330636,
 1615522076050,6969664279584,30068434774274,
 129720849313094,559639996988064,2414391579204576]

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Last modified March 28 12:59 EDT 2024. Contains 371254 sequences. (Running on oeis4.)