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A072523 as a simple table

n a(n)
1 0
2 0
3 0
4 1
5 3
6 5
7 10
8 15
9 28
10 46
11 79
12 120
13 207
14 330
15 540
16 867
17 1428
18 2293
19 3737
20 6009
21 9778
22 15808
23 25630
24 41370
25 67092
26 108483
27 175649
28 284022
29 459938
30 743945
31 1204113
32 1947712
33 3152386
34 5100237
35 8253262
36 13352465
37 21607324
38 34959920

[0,0,0,1,3,5,10,15,28,46,79,120,207,330,540,867,
 1428,2293,3737,6009,9778,15808,25630,41370,67092,
 108483,175649,284022,459938,743945,1204113,
 1947712,3152386,5100237,8253262,13352465,21607324,
 34959920]

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Last modified August 10 12:39 EDT 2020. Contains 336379 sequences. (Running on oeis4.)