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A217993
as a simple table
n
a(n)
0
2
1
2
2
2
3
2
4
74
5
112
6
2162
7
63738
8
13220
9
54808
10
3656570
11
6992032
12
125440
13
103859114
14
56414914
15
87888966
[2,2,2,2,74,112,2162,63738,13220,54808,3656570, 6992032,125440,103859114,56414914,87888966]