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A047194 as a simple table

n a(n)
1 0
2 0
3 1
4 3
5 6
6 13
7 25
8 45
9 91
10 175
11 322
12 645
13 1245
14 2325
15 4651
16 9031
17 17061
18 34123
19 66547
20 126763
21 253527
22 496063
23 950818
24 1901637
25 3730293
26 7184421
27 14368843
28 28243063
29 54604081
30 109208163
31 215008363
32 416990563
33 833981127

[0,0,1,3,6,13,25,45,91,175,322,645,1245,2325,4651,
 9031,17061,34123,66547,126763,253527,496063,
 950818,1901637,3730293,7184421,14368843,28243063,
 54604081,109208163,215008363,416990563,833981127]

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Last modified June 17 16:57 EDT 2021. Contains 345085 sequences. (Running on oeis4.)