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A121522 as a triangular array

1
11
131
1561
181591
1113034121
114558562151
1178918520099181
120132365510402145211
12318465011601220718200241
12624510672400315525851175264271
129315

A121522 as a square array

111111111111
135811141720232629
1615305589132184245315
1934851853656501067
1126220051011602400
1159940212203155
1181457182585
1212001175
124264
127
1
111111111111
135811141720232629
1615305589132184245315
1934851853656501067
1126220051011602400
1159940212203155
1181457182585
1212001175
124264
127
1