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A120888 as a triangular array

1
11
111
1211
12111
111111
1111111
12121111
123211111
1132111111
11321111111
121112111111
1211121111111
11111211111111

A120888 as a square array

11111111111111
1122112211221
111111333111
11112222111
1111111111
111111222
11111111
1111111
111111
11111
1111
111
11
1
11111111111111
1122112211221
111111333111
11112222111
1111111111
111111222
11111111
1111111
111111
11111
1111
111
11
1