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A278702
as
a triangular array
3
3
2
1
1
1
3
5
2
2
3
2
3
1
1
1
1
1
4
2
2
3
5
2
2
2
1
2
2
4
1
1
3
A278702
as
a square array
3
3
1
3
3
1
3
2
2
1
5
2
1
5
4
1
2
3
1
2
1
2
1
4
2
1
1
2
2
3
2
1
2
A278702
as
an upper right triangle
3
3
1
3
3
1
3
2
2
1
5
2
1
5
4
1
2
3
1
2
1
2
1
4
2
1
1
2
2
3
2
1
2