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A231331 as a simple table

n a(n)
0 1
1 1
2 2
3 3
4 6
5 10
6 20
7 35
8 74
9 130
10 258
11 473
12 1007
13 1830
14 3912
15 7093
16 15233
17 27831
18 60458
19 109555
20 239039
21 433654
22 946849
23 1709524
24 3746021
25 6750928 

[1,1,2,3,6,10,20,35,74,130,258,473,1007,1830,3912,
 7093,15233,27831,60458,109555,239039,433654,
 946849,1709524,3746021,6750928]

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Last modified April 24 06:39 EDT 2024. Contains 371920 sequences. (Running on oeis4.)