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A124802 as a triangular array

1
11
13-1
16-42
110-1010-3
115-2030-185
121-3570-6335-8
128-56140-168140-6413

A124802 as a square array

11111111
13610152128
-1-4-10-20-35-56
2103070140
-3-18-63-168
535140
-8-64
13
11111111
13610152128
-1-4-10-20-35-56
2103070140
-3-18-63-168
535140
-8-64
13