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A330240 as a triangular array

0
11
202
3113
42024
531135
6420246
75311357
864202468
9753113579
1086420246810
1111753113571111
1210126420246121012
1311111353113513111113
1412101214420241412101214

A330240 as a square array

01234567891011121314
101234567811101112
2101234567121110
32101234561312
432101234514
5432101234
654321012
76543210
8765432
987654
1011121314
11101112
121110
1312
14
01234567891011121314
101234567811101112
2101234567121110
32101234561312
432101234514
5432101234
654321012
76543210
8765432
987654
1011121314
11101112
121110
1312
14