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A121653 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 2
5 3
6 4
7 6
8 9
9 13
10 19
11 28
12 41
13 67
14 102
15 150
16 243
17 378
18 568
19 895
20 1390
21 2115
22 3366
23 5229
24 7974
25 12687
26 19785
27 30307
28 47893
29 74761
30 115063
31 181457
32 283143
33 436831
34 687963
35 1073820
36 1659809
37 2608418
38 4072442
39 6306619
40 9980210
41 15617469

[1,1,1,1,2,3,4,6,9,13,19,28,41,67,102,150,243,378,
 568,895,1390,2115,3366,5229,7974,12687,19785,
 30307,47893,74761,115063,181457,283143,436831,
 687963,1073820,1659809,2608418,4072442,6306619,
 9980210,15617469]

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Last modified June 7 12:16 EDT 2024. Contains 373173 sequences. (Running on oeis4.)