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A073817 as a simple table

n a(n)
0 4
1 1
2 3
3 7
4 15
5 26
6 51
7 99
8 191
9 367
10 708
11 1365
12 2631
13 5071
14 9775
15 18842
16 36319
17 70007
18 134943
19 260111
20 501380
21 966441
22 1862875
23 3590807
24 6921503
25 13341626
26 25716811
27 49570747
28 95550687
29 184179871
30 355018116
31 684319421
32 1319068095
33 2542585503

[4,1,3,7,15,26,51,99,191,367,708,1365,2631,5071,
 9775,18842,36319,70007,134943,260111,501380,
 966441,1862875,3590807,6921503,13341626,25716811,
 49570747,95550687,184179871,355018116,684319421,
 1319068095,2542585503]

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Last modified April 22 12:22 EDT 2021. Contains 343177 sequences. (Running on oeis4.)