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A245230
as
a triangular array
0
0
1
0
1
2
0
2
3
4
0
2
3
5
7
0
3
4
7
9
11
0
3
5
8
10
13
16
0
4
6
10
12
16
19
22
A245230
as
a square array
0
0
0
0
0
0
0
0
1
1
2
2
3
3
4
2
3
3
4
5
6
4
5
7
8
10
7
9
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11
13
16
16
19
22
A245230
as
an upper right triangle
0
0
0
0
0
0
0
0
1
1
2
2
3
3
4
2
3
3
4
5
6
4
5
7
8
10
7
9
10
12
11
13
16
16
19
22