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A135871 as a triangular array

1
03
-109
0-6027
10-27081
090-1080243
-10540-4050729
0-1202700-145802187

A135871 as a square array

10-1010-10
30-6090-12
90-270540
270-1080270
810-4050
2430-1458
7290
2187
10-1010-10
30-6090-12
90-270540
270-1080270
810-4050
2430-1458
7290
2187