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A248664 as a triangular array

1
22
5129
166811264
6542011251375625
32629101112421600207367776
195722652114611311787470596369754117649
137001968721254976445542493429761146880076021762097152
10960118951481469996165045025

A248664 as a square array

1251665326195713700109601
212684202910226521968721895148
9112112511124114611125497614699961
64137521600311787445542465045025
625207364705969342976
777636975411468800
1176497602176
2097152
1251665326195713700109601
212684202910226521968721895148
9112112511124114611125497614699961
64137521600311787445542465045025
625207364705969342976
777636975411468800
1176497602176
2097152