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A126570
as
a triangular array
1
1
2
1
4
3
1
6
10
5
1
8
21
20
4
1
10
36
56
35
7
1
12
55
120
126
56
6
A126570
as
a square array
1
1
1
1
1
1
1
2
4
6
8
10
12
3
10
21
36
55
5
20
56
120
4
35
126
7
56
6
A126570
as
an upper right triangle
1
1
1
1
1
1
1
2
4
6
8
10
12
3
10
21
36
55
5
20
56
120
4
35
126
7
56
6