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A369244
as a simple table
n
a(n)
1
0
2
14
3
74
4
198
5
10295
6
65174
7
40354813
8
20485574
9
680909375411
10
0
11
17866904665985941
12
318745032938881
[0,14,74,198,10295,65174,40354813,20485574, 680909375411,0,17866904665985941,318745032938881]