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A022867 as a simple table

n a(n)
1 2
2 2
3 2
4 3
5 5
6 10
7 21
8 45
9 99
10 219
11 485
12 1076
13 2389
14 5306
15 11786
16 26182
17 58164
18 129215
19 287062
20 637734
21 1416785
22 3147520
23 6992512
24 15534524
25 34511410
26 76670354
27 170330428
28 378405125
29 840662707
30 1867611566
31 4149075406

[2,2,2,3,5,10,21,45,99,219,485,1076,2389,5306,
 11786,26182,58164,129215,287062,637734,1416785,
 3147520,6992512,15534524,34511410,76670354,
 170330428,378405125,840662707,1867611566,
 4149075406]

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Last modified June 12 06:52 EDT 2021. Contains 344943 sequences. (Running on oeis4.)