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A261543 as a simple table

n a(n)
1 2
2 5
3 8
4 15
5 20
6 42
7 60
8 137
9 210
10 520
11 828
12 2124
13 3418
14 8895
15 14370
16 37561
17 60747
18 158959
19 257169
20 673198
21 1089220
22 2851513
23 4613807
24 12078987
25 19544166
26 51167164
27 82790160
28 216747314
29 350704463
30 918156051
31 1485607642
32 3889371138
33 6293134627

[2,5,8,15,20,42,60,137,210,520,828,2124,3418,8895,
 14370,37561,60747,158959,257169,673198,1089220,
 2851513,4613807,12078987,19544166,51167164,
 82790160,216747314,350704463,918156051,1485607642,
 3889371138,6293134627]

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Last modified July 31 20:24 EDT 2021. Contains 346377 sequences. (Running on oeis4.)