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A022861 as a simple table

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

[1,2,3,5,10,21,45,99,219,485,1076,2389,5306,11786,
 26182,58164,129215,287062,637734,1416785,3147520,
 6992512,15534524,34511410,76670354,170330428,
 378405125,840662707,1867611566,4149075406]

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Last modified April 24 07:54 EDT 2024. Contains 371922 sequences. (Running on oeis4.)