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A032318 as a simple table

n a(n)
1 2
2 2
3 4
4 16
5 78
6 458
7 3614
8 31418
9 315146
10 3566102
11 44827218
12 620168182
13 9347754294
14 152775554602
15 2687701571514
16 50670888880518
17 1018944127466708
18 21770157246285044
19 492495459066530344
20 11760335921226686984
21 295609024379492858260
22 7801944836722158839916

[2,2,4,16,78,458,3614,31418,315146,3566102,
 44827218,620168182,9347754294,152775554602,
 2687701571514,50670888880518,1018944127466708,
 21770157246285044,492495459066530344,
 11760335921226686984,295609024379492858260,
 7801944836722158839916]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)