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A203397 as a triangular array

1
11
1161
11851851
11455778514551
110804210342210342108041
1838765666072185305025666072838761
1661595163500122165010039416501003941635001226615951
151871814711784187

A203397 as a square array

111111111
116185145510804838766615955187181
1185778521034256660721635001224711784187
11455210342185305021650100394
11080456660721650100394
183876163500122
1661595
1
111111111
116185145510804838766615955187181
1185778521034256660721635001224711784187
11455210342185305021650100394
11080456660721650100394
183876163500122
1661595
1