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A154980 as a triangular array

1
11
161
115151
132126321
165638638651
11302751934027511301
1259112019375593755112012591
1516447408092122578550809212447405161
1102917786465888645139032251390322658886417786410291

A154980 as a square array

1111111111
161532651302595161029
11512663827511120144740177864
1326389340937558092126588864
165275193755257855051390322
11301120180921251390322
1259447406588864
1516177864
11029
1
1111111111
161532651302595161029
11512663827511120144740177864
1326389340937558092126588864
165275193755257855051390322
11301120180921251390322
1259447406588864
1516177864
11029
1