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A173882 as a triangular array

1
11
161
124241
160240601
1120120012001201
121042001050042002101
1336117605880058800117603361
150428224246960493920246960282245041
17206048084672029635202963520846720604807201

A173882 as a square array

1111111111
162460120210336504720
12424012004200117602822460480
16012001050058800246960846720
11204200588004939202963520
1210117602469602963520
133628224846720
150460480
1720
1
1111111111
162460120210336504720
12424012004200117602822460480
16012001050058800246960846720
11204200588004939202963520
1210117602469602963520
133628224846720
150460480
1720
1