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A227725
as
a triangular array
2
2
1
2
3
2
2
7
14
23
2
15
70
345
3904
A227725
as
a square array
2
2
2
2
2
1
3
7
15
2
14
70
23
345
3904
A227725
as
an upper right triangle
2
2
2
2
2
1
3
7
15
2
14
70
23
345
3904