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A123353
as
a triangular array
1
1
1
1
2
1
1
3
6
1
1
4
20
19
1
1
5
50
155
62
1
1
6
105
805
1315
207
1
A123353
as
a square array
1
1
1
1
1
1
1
1
2
3
4
5
6
1
6
20
50
105
1
19
155
805
1
62
1315
1
207
1
A123353
as
an upper right triangle
1
1
1
1
1
1
1
1
2
3
4
5
6
1
6
20
50
105
1
19
155
805
1
62
1315
1
207
1