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A156764 as a triangular array

1
11
161
140401
130020003001
1252012600012600025201
1235209878400740880009878400235201
124192094832640059744563200597445632009483264002419201
12721600109734912000645241282560005420026773504006452412825600010973491200027216001

A156764 as a square array

111111111
16403002520235202419202721600
14020001260009878400948326400109734912000
1300126000740880005974456320064524128256000
12520987840059744563200542002677350400
12352094832640064524128256000
1241920109734912000
12721600
1
111111111
16403002520235202419202721600
14020001260009878400948326400109734912000
1300126000740880005974456320064524128256000
12520987840059744563200542002677350400
12352094832640064524128256000
1241920109734912000
12721600
1