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A143587 as a simple table

n a(n)
1 1
2 0
3 0
4 2
5 3
6 5
7 7
8 9
9 14
10 22
11 33
12 47
13 77
14 112
15 170
16 251
17 384
18 571
19 855
20 1275
21 1919
22 2873
23 4305
24 6480
25 9706
26 14569
27 21861
28 32819
29 49201
30 73743
31 110619
32 165937
33 248848
34 373469
35 560078
36 840122
37 1260542
38 1890595
39 2835686
40 4253984
41 6380906
42 9571020

[1,0,0,2,3,5,7,9,14,22,33,47,77,112,170,251,384,
 571,855,1275,1919,2873,4305,6480,9706,14569,21861,
 32819,49201,73743,110619,165937,248848,373469,
 560078,840122,1260542,1890595,2835686,4253984,
 6380906,9571020]

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Last modified April 24 08:43 EDT 2024. Contains 371927 sequences. (Running on oeis4.)