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A023423 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 2
8 4
9 8
10 16
11 32
12 64
13 128
14 257
15 517
16 1042
17 2104
18 4256
19 8624
20 17504
21 35585
22 72455
23 147746
24 301706
25 616948
26 1263240
27 2589840
28 5316033
29 10924681
30 22475831
31 46290195

[1,1,1,1,1,1,1,2,4,8,16,32,64,128,257,517,1042,
 2104,4256,8624,17504,35585,72455,147746,301706,
 616948,1263240,2589840,5316033,10924681,22475831,
 46290195]

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Last modified February 24 06:13 EST 2018. Contains 299597 sequences. (Running on oeis4.)