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A057752 as a simple table

n a(n)
1 2
2 5
3 10
4 17
5 38
6 130
7 339
8 754
9 1701
10 3104
11 11588
12 38263
13 108971
14 314890
15 1052619
16 3214632
17 7956589
18 21949555
19 99877775
20 222744644
21 597394254
22 1932355208
23 7250186216
24 17146907278
25 55160980939
26 155891678121
27 508666658006

[2,5,10,17,38,130,339,754,1701,3104,11588,38263,
 108971,314890,1052619,3214632,7956589,21949555,
 99877775,222744644,597394254,1932355208,
 7250186216,17146907278,55160980939,155891678121,
 508666658006]

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Last modified July 17 16:38 EDT 2019. Contains 325107 sequences. (Running on oeis4.)