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A205457 as a triangular array

1
11
111
1661
1151151
1281515281
14570170451
1662102828210661
1914952101210495911
11201001924454592410011201
1153182030034951495300318201531
1

A205457 as a square array

111111111111
1161528456691120153
161157021049510011820
115151282109243003
1287028145495
145210210451
166495924495
19110013003
11201820
1153
1
111111111111
1161528456691120153
161157021049510011820
115151282109243003
1287028145495
145210210451
166495924495
19110013003
11201820
1153
1