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A129744 as a simple table

n a(n)
1 2
2 4
3 14
4 32
5 82
6 196
7 478
8 1152
9 2786
10 6724
11 16238
12 39200
13 94642
14 228484
15 551614
16 1331712
17 3215042
18 7761796
19 18738638
20 45239072
21 109216786
22 263672644
23 636562078
24 1536796800
25 3710155682
26 8957108164
27 21624372014
28 52205852192

[2,4,14,32,82,196,478,1152,2786,6724,16238,39200,
 94642,228484,551614,1331712,3215042,7761796,
 18738638,45239072,109216786,263672644,636562078,
 1536796800,3710155682,8957108164,21624372014,
 52205852192]

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Last modified January 26 01:48 EST 2020. Contains 331270 sequences. (Running on oeis4.)