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A238462 as a simple table

n a(n)
0 0
1 0
2 1
3 2
4 6
5 12
6 25
7 50
8 103
9 206
10 413
11 826
12 1654
13 3308
14 6617
15 13234
16 26472
17 52944
18 105889
19 211778
20 423558
21 847116
22 1694233
23 3388466
24 6776935
25 13553870
26 27107741
27 54215482
28 108430966
29 216861932
30 433723865
31 867447730

[0,0,1,2,6,12,25,50,103,206,413,826,1654,3308,
 6617,13234,26472,52944,105889,211778,423558,
 847116,1694233,3388466,6776935,13553870,27107741,
 54215482,108430966,216861932,433723865,867447730]

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Last modified March 28 00:43 EDT 2024. Contains 371235 sequences. (Running on oeis4.)