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A155865 as a triangular array

1
11
111
1221
13631
14121241
1520302051
163060603061
17421051401054271
18561682802801685681
19722525046305042527291
110903608401260126084036090101

A155865 as a square array

111111111111
112345678910
12612203042567290
13123060105168252360
142060140280504840
15301052806301260
16421685041260
1756252840
1872360
1990
110
1
111111111111
112345678910
12612203042567290
13123060105168252360
142060140280504840
15301052806301260
16421685041260
1756252840
1872360
1990
110
1