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A218021 as a simple table

n a(n)
0 0
1 1
2 1
3 1
4 1
5 1
6 2
7 3
8 5
9 7
10 12
11 18
12 30
13 47
14 78
15 125
16 209
17 341
18 571
19 946
20 1592
21 2663
22 4503
23 7594
24 12898
25 21891
26 37334
27 63691
28 109039
29 186816
30 320913
31 551829
32 950842
33 1640149
34 2833866
35 4901658
36 8490019
37 14720477
38 25553525
39 44401638
40 77232183
41 134457819

[0,1,1,1,1,1,2,3,5,7,12,18,30,47,78,125,209,341,
 571,946,1592,2663,4503,7594,12898,21891,37334,
 63691,109039,186816,320913,551829,950842,1640149,
 2833866,4901658,8490019,14720477,25553525,
 44401638,77232183,134457819]

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Last modified April 19 16:52 EDT 2024. Contains 371794 sequences. (Running on oeis4.)