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A130102 as a simple table

n a(n)
0 1
1 0
2 2
3 2
4 8
5 22
6 52
7 114
8 240
9 494
10 1004
11 2026
12 4072
13 8166
14 16356
15 32738
16 65504
17 131038
18 262108
19 524250
20 1048536
21 2097110
22 4194260
23 8388562
24 16777168
25 33554382
26 67108812
27 134217674
28 268435400
29 536870854
30 1073741764
31 2147483586

[1,0,2,2,8,22,52,114,240,494,1004,2026,4072,8166,
 16356,32738,65504,131038,262108,524250,1048536,
 2097110,4194260,8388562,16777168,33554382,
 67108812,134217674,268435400,536870854,1073741764,
 2147483586]

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Last modified May 22 23:08 EDT 2018. Contains 304445 sequences. (Running on oeis4.)