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A099640
as a simple table
n
a(n)
1
2
2
2
3
2
4
19
5
113
6
509
7
2551
8
19267
9
75041
10
753143
11
4310819
12
38238461
13
307379717
[2,2,2,19,113,509,2551,19267,75041,753143,4310819, 38238461,307379717]
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Last modified April 19 06:16 EDT 2024. Contains 371782 sequences. (Running on oeis4.)
