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A057047 as a simple table

n a(n)
0 1
1 2
2 3
3 3
4 6
5 5
6 3
7 9
8 21
9 17
10 12
11 33
12 91
13 65
14 88
15 129
16 168
17 257
18 307
19 513
20 501
21 1025
22 553
23 2049
24 5106
25 4097
26 3042
27 8193
28 580
29 16385
30 25488
31 32769

[1,2,3,3,6,5,3,9,21,17,12,33,91,65,88,129,168,257,
 307,513,501,1025,553,2049,5106,4097,3042,8193,580,
 16385,25488,32769]

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Last modified January 22 19:16 EST 2020. Contains 331153 sequences. (Running on oeis4.)