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A119861 as a simple table

n a(n)
1 0
2 1
3 3
4 6
5 11
6 20
7 36
8 64
9 117
10 209
11 381
12 699
13 1291
14 2387
15 4445
16 8317
17 15645
18 29494
19 55855
20 106021
21 201778
22 384941
23 735909
24 1409683
25 2705277
26 5200202 

[0,1,3,6,11,20,36,64,117,209,381,699,1291,2387,
 4445,8317,15645,29494,55855,106021,201778,384941,
 735909,1409683,2705277,5200202]

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Last modified May 4 06:34 EDT 2024. Contains 372230 sequences. (Running on oeis4.)