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A137286 as a triangular array

1
01
-201
0-501
80-901
0330-1401
-480870-2001
0-27901850-2701
3840-97503450-3501
028950-264005880-4401
-38400126450-609009380-5401

A137286 as a square array

10-2080-4803840-3840
10-50330-279028950
10-90870-975012645
10-1401850-26400
10-2003450-6090
10-2705880
10-350938
10-440
10-54
10
1
10-2080-4803840-3840
10-50330-279028950
10-90870-975012645
10-1401850-26400
10-2003450-6090
10-2705880
10-350938
10-440
10-54
10
1