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A001949 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 0
5 1
6 2
7 4
8 8
9 16
10 32
11 63
12 124
13 244
14 480
15 944
16 1856
17 3649
18 7174
19 14104
20 27728
21 54512
22 107168
23 210687
24 414200
25 814296
26 1600864
27 3147216
28 6187264
29 12163841
30 23913482
31 47012668
32 92424472
33 181701728
34 357216192
35 702268543
36 1380623604
37 2714234540

[0,0,0,0,0,1,2,4,8,16,32,63,124,244,480,944,1856,
 3649,7174,14104,27728,54512,107168,210687,414200,
 814296,1600864,3147216,6187264,12163841,23913482,
 47012668,92424472,181701728,357216192,702268543,
 1380623604,2714234540]

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Last modified March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)