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A174802 as a triangular array

1
11
121
1331
15541
189851
11317141261
1213127221771
134575341342381

A174802 as a square array

111111111
12358132134
1359173157
148142753
15122241
161734
1723
18
1
111111111
12358132134
1359173157
148142753
15122241
161734
1723
18
1