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A281201 as a simple table

n a(n)
1 2
2 28
3 98
4 270
5 676
6 1588
7 3604
8 7960
9 17254
10 36848
11 77776
12 162610
13 337292
14 694982
15 1423852
16 2902806
17 5892558
18 11916410
19 24017514
20 48262212
21 96719706
22 193358890
23 385702166
24 767826768
25 1525708160
26 3026506470
27 5994196442
28 11854696726

[2,28,98,270,676,1588,3604,7960,17254,36848,77776,
 162610,337292,694982,1423852,2902806,5892558,
 11916410,24017514,48262212,96719706,193358890,
 385702166,767826768,1525708160,3026506470,
 5994196442,11854696726]

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Last modified April 18 20:18 EDT 2024. Contains 371781 sequences. (Running on oeis4.)