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A148038 as a simple table

n a(n)
0 1
1 1
2 2
3 3
4 8
5 19
6 53
7 150
8 435
9 1373
10 4234
11 13803
12 45615
13 152565
14 525436
15 1807917
16 6370454
17 22648924
18 81045274
19 294605006
20 1074167523
21 3960848064
22 14708826191
23 54866285401
24 206578823690
25 780529431496
26 2967546723380
27 11346226883771
28 43526990900201
29 167962909112062
30 650320995547081
31 2527858507702086

[1,1,2,3,8,19,53,150,435,1373,4234,13803,45615,
 152565,525436,1807917,6370454,22648924,81045274,
 294605006,1074167523,3960848064,14708826191,
 54866285401,206578823690,780529431496,
 2967546723380,11346226883771,43526990900201,
 167962909112062,650320995547081,2527858507702086]

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Last modified August 14 04:13 EDT 2020. Contains 336477 sequences. (Running on oeis4.)