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A094528 as a triangular array

1
12
223
3234
33445
344556
4546667
55467778
665788889
66678999910
76779101010101011
76881010111111111112
7788101112121212121213

A094528 as a square array

1123334566777
222345566667
33444456788
4456677788
55678891010
66789101011
7789101112
889101112
99101112
10101112
111112
1212
13
1123334566777
222345566667
33444456788
4456677788
55678891010
66789101011
7789101112
889101112
99101112
10101112
111112
1212
13