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A239561 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 4
5 8
6 16
7 31
8 63
9 125
10 252
11 504
12 1013
13 2027
14 4069
15 8141
16 16318
17 32650
18 65381
19 130801
20 261791
21 523677
22 1047780
23 2095796
24 4192533
25 8385623
26 16773321
27 33547917
28 67100362
29 134203614
30 268417029
31 536840509
32 1073702131
33 2147418493
34 4294882224
35 8589795592

[1,1,1,2,4,8,16,31,63,125,252,504,1013,2027,4069,
 8141,16318,32650,65381,130801,261791,523677,
 1047780,2095796,4192533,8385623,16773321,33547917,
 67100362,134203614,268417029,536840509,1073702131,
 2147418493,4294882224,8589795592]

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Last modified April 9 20:46 EDT 2020. Contains 333363 sequences. (Running on oeis4.)