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A054189 as a simple table

n a(n)
0 0
1 0
2 0
3 1
4 2
5 4
6 8
7 16
8 28
9 56
10 104
11 197
12 369
13 699
14 1331
15 2540
16 4870
17 9354
18 18066
19 34949
20 67788
21 131656
22 256271
23 499498
24 974856
25 1904908
26 3726067
27 7295536
28 14297372
29 28041681
30 55040986
31 108110861
32 212487489
33 417884442
34 822287416

[0,0,0,1,2,4,8,16,28,56,104,197,369,699,1331,2540,
 4870,9354,18066,34949,67788,131656,256271,499498,
 974856,1904908,3726067,7295536,14297372,28041681,
 55040986,108110861,212487489,417884442,822287416]

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Last modified May 25 22:17 EDT 2019. Contains 323576 sequences. (Running on oeis4.)