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A096815 as a triangular array

1
11
111
1121
11331
114441
1156751
116911961
1171117171371
118142430261681
11918324250362191
111021426179765125101
111125538511812911567

A096815 as a square array

1111111111111
111111111111
1234567891011
134691114182125
147111724324253
1591730426185
1613265079118
17163676129
182151115
192567
110
1
1111111111111
111111111111
1234567891011
134691114182125
147111724324253
1591730426185
1613265079118
17163676129
182151115
192567
110
1