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A148055 as a simple table

n a(n)
0 1
1 1
2 2
3 3
4 10
5 20
6 68
7 147
8 558
9 1308
10 4840
11 11638
12 45142
13 112918
14 431806
15 1095775
16 4299562
17 11168048
18 43431360
19 113876158
20 449752342
21 1197311782
22 4700292130
23 12596627212
24 49945553674
25 135283990390
26 534123243068
27 1454033588472
28 5779639647718
29 15857393541418
30 62837646837160
31 173088744641491

[1,1,2,3,10,20,68,147,558,1308,4840,11638,45142,
 112918,431806,1095775,4299562,11168048,43431360,
 113876158,449752342,1197311782,4700292130,
 12596627212,49945553674,135283990390,534123243068,
 1454033588472,5779639647718,15857393541418,
 62837646837160,173088744641491]

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Last modified September 26 09:15 EDT 2021. Contains 347664 sequences. (Running on oeis4.)