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A211689 as a simple table

n a(n)
1 80
2 216
3 498
4 1064
5 2200
6 4448
7 8844
8 17552
9 34384
10 67836
11 132308
12 260904
13 509178
14 1006144
15 1969566
16 3904484
17 7675178
18 15271538
19 30158642
20 60234204
21 119509036
22 239563440
23 477465048
24 960417468
25 1922353398
26 3879214910
27 7795367130

[80,216,498,1064,2200,4448,8844,17552,34384,67836,
 132308,260904,509178,1006144,1969566,3904484,
 7675178,15271538,30158642,60234204,119509036,
 239563440,477465048,960417468,1922353398,
 3879214910,7795367130]

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Last modified August 29 19:56 EDT 2024. Contains 375518 sequences. (Running on oeis4.)