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A053122 as a triangular array

1
-21
3-41
-410-61
5-2021-81
-635-5636-101
7-56126-12055-121
-884-252330-22078-141
9-120462-792715-364105-161
-10165-7921716-20021365-560136-181
11-2201287-34325005-43682380-816171-20

A053122 as a square array

1-23-45-67-89-1011
1-410-2035-5684-120165-220
1-621-56126-252462-7921287
1-836-120330-7921716-3432
1-1055-220715-20025005
1-1278-3641365-4368
1-14105-5602380
1-16136-816
1-18171
1-20
1-23-45-67-89-1011
1-410-2035-5684-120165-220
1-621-56126-252462-7921287
1-836-120330-7921716-3432
1-1055-220715-20025005
1-1278-3641365-4368
1-14105-5602380
1-16136-816
1-18171
1-20