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A045625 as a simple table

n a(n)
0 1
1 2
2 1
3 4
4 7
5 18
6 29
7 70
8 126
9 266
10 507
11 1054
12 2037
13 4158
14 8183
15 16488
16 32760
17 65790
18 131026
19 262654
20 524265
21 1049524
22 2097119
23 4196350
24 8388450
25 16781292
26 33554367
27 67116784
28 134217657
29 268451838
30 536870247
31 1073774590
32 2147483520

[1,2,1,4,7,18,29,70,126,266,507,1054,2037,4158,
 8183,16488,32760,65790,131026,262654,524265,
 1049524,2097119,4196350,8388450,16781292,33554367,
 67116784,134217657,268451838,536870247,1073774590,
 2147483520]

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Last modified April 8 08:54 EDT 2020. Contains 333313 sequences. (Running on oeis4.)