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A171142 as a triangular array

1
11
141
1551
181881
19262691
112518851121
1136313913963131
116100304454304100161
117116404758758404116171
120165720177024241770720165201
121185885

A171142 as a square array

111111111111
14589121316172021
1518265163100116165185
182688139304404720885
19511394547581770
112633047582424
1131004041770
116116720
117165
120
1
111111111111
14589121316172021
1518265163100116165185
182688139304404720885
19511394547581770
112633047582424
1131004041770
116116720
117165
120
1