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A223516 as a triangular array

1
141
378421
151202100841
80136012852067201401
528897609412200585480163802101
4178291040805865760568360801928640338102941
3844027756807912380672061484572802400568805174400623283921

A223516 as a square array

11437815120801360528897604178291040384402775680
1422100128520941220080586576079123806720
1846720585480568360806148457280
1140163801928640240056880
1210338105174400
129462328
1392
1
11437815120801360528897604178291040384402775680
1422100128520941220080586576079123806720
1846720585480568360806148457280
1140163801928640240056880
1210338105174400
129462328
1392
1