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A086872 as a triangular array

1
11
385
157512161
105840247831281385
945110255103011535012492150521
1039516632011053353859680736563371581282702765

A086872 as a square array

1131510594510395
187584011025166320
51212478510301105335
6131281153503859680
13851249217365633
505217158128
2702765
1131510594510395
187584011025166320
51212478510301105335
6131281153503859680
13851249217365633
505217158128
2702765