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A034872 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 4
5 6
6 10
7 19
8 38
9 66
10 126
11 236
12 472
13 868
14 1716
15 3235
16 6470
17 12190
18 24310
19 46252
20 92504
21 176484
22 352716
23 676270
24 1352540
25 2600612
26 5200300
27 10030008
28 20060016
29 38781096
30 77558760
31 150273315
32 300546630
33 583407990
34 1166803110
35 2268795980
36 4537591960
37 8836340260
38 17672631900

[1,1,1,2,4,6,10,19,38,66,126,236,472,868,1716,
 3235,6470,12190,24310,46252,92504,176484,352716,
 676270,1352540,2600612,5200300,10030008,20060016,
 38781096,77558760,150273315,300546630,583407990,
 1166803110,2268795980,4537591960,8836340260,
 17672631900]

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Last modified August 18 22:07 EDT 2018. Contains 313840 sequences. (Running on oeis4.)