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A123948 as a triangular array

1
1-1
-111
-233-1
9-15-2271
96-184-31413919-1
-2500525010575-5375-1026511
-162000369900842310-498171-1111797644141-1
26471025-64790985-16463416910932507628870212-2322404-591933931

A123948 as a square array

11-1-2996-2500-16200026471025
-113-15-1845250369900-64790985
13-22-31410575842310-164634169
-17139-5375-498171109325076
119-1026-11117928870212
-1517644-2322404
1141-59193
-1393
1
11-1-2996-2500-16200026471025
-113-15-1845250369900-64790985
13-22-31410575842310-164634169
-17139-5375-498171109325076
119-1026-11117928870212
-1517644-2322404
1141-59193
-1393
1