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A144685
as a simple table
n
a(n)
3
4
4
9
5
20
6
45
7
100
8
222
9
488
10
1069
11
2324
12
5034
13
10840
14
23266
15
49704
16
105884
17
224720
18
475773
19
1004212
20
2115186
[4,9,20,45,100,222,488,1069,2324,5034,10840,23266, 49704,105884,224720,475773,1004212,2115186]
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Last modified May 5 22:09 EDT 2024. Contains 372290 sequences. (Running on oeis4.)
