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A262345
as a simple table
n
a(n)
1
2
2
4
3
8
4
22
5
24
6
26
7
98
8
228
9
246
10
808
11
1556
12
1792
13
1978
14
3424
15
69738
16
108376
17
169584
[2,4,8,22,24,26,98,228,246,808,1556,1792,1978, 3424,69738,108376,169584]