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A059123 as a simple table

n a(n)
0 0
1 1
2 1
3 0
4 2
5 2
6 4
7 6
8 12
9 20
10 39
11 71
12 137
13 261
14 511
15 995
16 1974
17 3915
18 7841
19 15749
20 31835
21 64540
22 131453
23 268498
24 550324
25 1130899
26 2330381
27 4813031
28 9963288
29 20665781
30 42947715
31 89410092
32 186447559
33 389397778
34 814447067
35 1705775653

[0,1,1,0,2,2,4,6,12,20,39,71,137,261,511,995,1974,
 3915,7841,15749,31835,64540,131453,268498,550324,
 1130899,2330381,4813031,9963288,20665781,42947715,
 89410092,186447559,389397778,814447067,1705775653]

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Last modified April 16 14:17 EDT 2024. Contains 371740 sequences. (Running on oeis4.)