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A303875 as a simple table

n a(n)
0 1
1 0
2 1
3 1
4 1
5 2
6 3
7 5
8 7
9 14
10 26
11 49
12 107
13 215
14 502
15 1112
16 2619
17 6220
18 14807
19 36396
20 88397
21 219920
22 545196
23 1364669
24 3434436
25 8658463
26 21989434
27 55893852
28 142823174
29 365766327
30 939575265
31 2420885031
32 6250344302
33 16183450744
34 41981605437
35 109155492638

[1,0,1,1,1,2,3,5,7,14,26,49,107,215,502,1112,2619,
 6220,14807,36396,88397,219920,545196,1364669,
 3434436,8658463,21989434,55893852,142823174,
 365766327,939575265,2420885031,6250344302,
 16183450744,41981605437,109155492638]

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Last modified February 17 02:22 EST 2020. Contains 331976 sequences. (Running on oeis4.)