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A297020 as a triangular array

1
11
121
1331
14841
18141481
117394639171
131135150150135311
171400590852590400711
11661310235558785878235513101661
136544819521365087453436508952144813651

A297020 as a square array

11111111111
12348173171166365
138143913540013104481
14144615059023559521
1839150852587836508
117135590587874534
131400235536508
17113109521
11664481
1365
1
11111111111
12348173171166365
138143913540013104481
14144615059023559521
1839150852587836508
117135590587874534
131400235536508
17113109521
11664481
1365
1