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A270061 as a triangular array

1
11
111
1111
12521
13141431
1445934541
1614059059014061
1943837107517371043891
1131371235099617696176235091371131
11942871487961238818250194612388181487964287191

A270061 as a square array

11111111111
111234691319
115144514043813714287
121493590371023509148796
13455907517961761238818
141403710961762501946
16438235091238818
191371148796
1134287
119
1
11111111111
111234691319
115144514043813714287
121493590371023509148796
13455907517961761238818
141403710961762501946
16438235091238818
191371148796
1134287
119
1