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A002531 as a simple table

n a(n)
0 1
1 1
2 2
3 5
4 7
5 19
6 26
7 71
8 97
9 265
10 362
11 989
12 1351
13 3691
14 5042
15 13775
16 18817
17 51409
18 70226
19 191861
20 262087
21 716035
22 978122
23 2672279
24 3650401
25 9973081
26 13623482
27 37220045
28 50843527
29 138907099
30 189750626
31 518408351
32 708158977
33 1934726305

[1,1,2,5,7,19,26,71,97,265,362,989,1351,3691,5042,
 13775,18817,51409,70226,191861,262087,716035,
 978122,2672279,3650401,9973081,13623482,37220045,
 50843527,138907099,189750626,518408351,708158977,
 1934726305]

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Last modified June 24 14:29 EDT 2019. Contains 324325 sequences. (Running on oeis4.)