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A219206 as a triangular array

1
11
121
1391
1436641
1510010006251
1622580005062577761
1744142875150062540841011176491
187841756162401000055073177648189030420971521
1912965927042520473763175796937635129803161678364164096430467211

A219206 as a square array

1111111111
123456789
19361002254417841296
1641000800042875175616592704
162550625150062524010000252047376
17776408410155073177631757969376
1117649481890304351298031616
1209715278364164096
143046721
1
1111111111
123456789
19361002254417841296
1641000800042875175616592704
162550625150062524010000252047376
17776408410155073177631757969376
1117649481890304351298031616
1209715278364164096
143046721
1