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A140530 as a triangular array

1
11
121
2331
36641
411131051
51827241561
6285155402171

A140530 as a square array

11123456
1236111828
136132751
14102455
151540
1621
17
1
11123456
1236111828
136132751
14102455
151540
1621
17
1