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A001115 as a simple table

n a(n)
0 1
1 2
2 3
3 4
4 6
5 9
6 14
7 23
8 38
9 64
10 113
11 200
12 358
13 653
14 1202
15 2223
16 4151
17 7781
18 14659
19 27721
20 52603
21 100084
22 190969
23 365134
24 699617
25 1342923
26 2582172
27 4972385
28 9588933
29 18515328
30 35794987
31 69278386
32 134224480
33 260309786
34 505302925
35 981723316
36 1908898002
37 3714597352
38 7233673969
39 14096361346
40 27487875487

[1,2,3,4,6,9,14,23,38,64,113,200,358,653,1202,
 2223,4151,7781,14659,27721,52603,100084,190969,
 365134,699617,1342923,2582172,4972385,9588933,
 18515328,35794987,69278386,134224480,260309786,
 505302925,981723316,1908898002,3714597352,
 7233673969,14096361346,27487875487]

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Last modified April 21 21:03 EDT 2018. Contains 302877 sequences. (Running on oeis4.)