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A221529 as a triangular array

1
13
234
3647
59876
7151214612
1121202112128
153328351824815
224544493036161513
30666077426024301318
42908810566844045261812
5612612015490132567539361228

A221529 as a square array

112357111522304256
3369152133456690126
448122028446088120
771421354977105154
66121830426690
121224366084132
8816244056
1515304575
13132639
181836
1212
28
112357111522304256
3369152133456690126
448122028446088120
771421354977105154
66121830426690
121224366084132
8816244056
1515304575
13132639
181836
1212
28