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A113412
as a simple table
n
a(n)
0
4
1
10
2
25
3
58
4
125
5
250
6
505
7
1020
8
2075
9
4227
10
8597
11
17213
[4,10,25,58,125,250,505,1020,2075,4227,8597,17213]
