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A098666 as a triangular array

1
12
123
1132
11325
111151
1111517
11115178
111151789
1111117491
111111749111
1111117131111
111111713111113
1111111131111132

A098666 as a square array

11111111111111
2211111111111
333111111111
22111111111
5555511111
111111111
77777771
8844111
999333
11111
11111111
111
1313
2
11111111111111
2211111111111
333111111111
22111111111
5555511111
111111111
77777771
8844111
999333
11111
11111111
111
1313
2