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A127140 as a triangular array

1
-41
-601
4-401
-100001
24-6-4001
-14000001
040-40001
90-6000001
40-1000-400001

A127140 as a square array

1-4-64-1024-140940
10-40-6040-10
100-400-60
1000-400
10000-4
10000
1000
100
10
1
1-4-64-1024-140940
10-40-6040-10
100-400-60
1000-400
10000-4
10000
1000
100
10
1