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A089300 as a simple table

n a(n)
0 1
1 1
2 3
3 4
4 9
5 13
6 25
7 33
8 56
9 76
10 122
11 170
12 264
13 360
14 538
15 707
16 1002
17 1332
18 1853
19 2409
20 3294 

[1,1,3,4,9,13,25,33,56,76,122,170,264,360,538,707,
 1002,1332,1853,2409,3294]

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)