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A342430
as a simple table
n
a(n)
0
0
1
0
2
1
3
2
4
1
5
12
6
5
7
108
8
145
9
974
10
2210
11
17073
12
31950
13
238591
14
587036
15
3174686
16
9236343
17
50107909
[0,0,1,2,1,12,5,108,145,974,2210,17073,31950, 238591,587036,3174686,9236343,50107909]