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A115320
as
a triangular array
1
2
5
3
3
7
3
4
7
9
4
5
5
8
11
A115320
as
a square array
1
2
3
3
4
5
3
4
5
7
7
5
9
8
11
A115320
as
an upper right triangle
1
2
3
3
4
5
3
4
5
7
7
5
9
8
11
