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A326587 as a triangular array

1
01
01110
0645924280
011156319780210164015400
0425679818627164057717660154154001401400
0303426789236763065109853492240256191584192803144741600190590400

A326587 as a square array

1000000
1116451115634256798130342678923
109241978028627164067630651098
2801016405771766053492240256
154001541540019158419280
14014003144741600
190590400
1000000
1116451115634256798130342678923
109241978028627164067630651098
2801016405771766053492240256
154001541540019158419280
14014003144741600
190590400