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A250211 as a triangular array

1
11
101
1121
10001
111241
1020401
11012031
101000601
1122123261
10004060001
1111412234101
1020200060501
110200120050121

A250211 as a square array

11111111111111
1010101010101
120120120120
10201020102
1442014420
100020100
13636201
1020202
160360
10400
11055
100
112
1
11111111111111
1010101010101
120120120120
10201020102
1442014420
100020100
13636201
1020202
160360
10400
11055
100
112
1