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A282879 as a simple table

n a(n)
1 0
2 2
3 8
4 32
5 122
6 416
7 1414
8 4626
9 14930
10 47432
11 149032
12 463918
13 1432956
14 4397436
15 13419434
16 40754026
17 123245234
18 371322718
19 1115052844
20 3338521720
21 9969125698
22 29697147320
23 88271949298
24 261856896380
25 775373941754
26 2292071140404 

[0,2,8,32,122,416,1414,4626,14930,47432,149032,
 463918,1432956,4397436,13419434,40754026,
 123245234,371322718,1115052844,3338521720,
 9969125698,29697147320,88271949298,261856896380,
 775373941754,2292071140404]

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Last modified June 4 03:29 EDT 2024. Contains 373089 sequences. (Running on oeis4.)