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A249023
as a simple table
n
a(n)
0
9
-1
9
-2
4
-3
3
-4
2
-5
2
-6
8
-7
7
-8
4
-9
7
-10
3
-11
3
-12
4
-13
6
-14
3
-15
9
-16
2
-17
8
-18
0
-19
8
-20
1
-21
5
-22
9
-23
8
-24
0
[9,9,4,3,2,2,8,7,4,7,3,3,4,6,3,9,2,8,0,8,1,5,9,8, 0]