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A255400
as a simple table
n
a(n)
0
0
1
5
2
10
3
15
4
20
5
264
6
25
7
30
8
35
9
40
10
45
11
101805
12
50
13
55
14
60
15
65
16
70
[0,5,10,15,20,264,25,30,35,40,45,101805,50,55,60, 65,70]