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A007053 as a simple table

n a(n)
0 0
1 1
2 2
3 4
4 6
5 11
6 18
7 31
8 54
9 97
10 172
11 309
12 564
13 1028
14 1900
15 3512
16 6542
17 12251
18 23000
19 43390
20 82025
21 155611
22 295947
23 564163
24 1077871
25 2063689
26 3957809
27 7603553
28 14630843
29 28192750
30 54400028
31 105097565
32 203280221
33 393615806
34 762939111
35 1480206279
36 2874398515
37 5586502348
38 10866266172
39 21151907950
40 41203088796
41 80316571436
42 156661034233
43 305761713237
44 597116381732
45 1166746786182
46 2280998753949
47 4461632979717
48 8731188863470
49 17094432576778
50 33483379603407
51 65612899915304
52 128625503610475

[0,1,2,4,6,11,18,31,54,97,172,309,564,1028,1900,
 3512,6542,12251,23000,43390,82025,155611,295947,
 564163,1077871,2063689,3957809,7603553,14630843,
 28192750,54400028,105097565,203280221,393615806,
 762939111,1480206279,2874398515,5586502348,
 10866266172,21151907950,41203088796,80316571436,
 156661034233,305761713237,597116381732,
 1166746786182,2280998753949,4461632979717,
 8731188863470,17094432576778,33483379603407,
 65612899915304,128625503610475]

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Last modified May 25 11:04 EDT 2019. Contains 323539 sequences. (Running on oeis4.)