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A270879 as a simple table

n a(n)
0 0
1 1
2 1
3 2
4 7
5 10
6 20
7 34
8 65
9 124
10 230
11 430
12 800
13 1494
14 2792
15 5210
16 9727
17 18155
18 33892
19 63271
20 118110
21 220484
22 411588
23 768337
24 1434304
25 2677500
26 4998252
27 9330536
28 17417876
29 32515004
30 60697720
31 113308101
32 211519073
33 394855430
34 737100483
35 1375989990

[0,1,1,2,7,10,20,34,65,124,230,430,800,1494,2792,
 5210,9727,18155,33892,63271,118110,220484,411588,
 768337,1434304,2677500,4998252,9330536,17417876,
 32515004,60697720,113308101,211519073,394855430,
 737100483,1375989990]

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Last modified May 9 04:17 EDT 2021. Contains 343685 sequences. (Running on oeis4.)