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A091370 as a triangular array

1
21
731
281241
121521851
550237842561
259111194031253371
12536542419766301764281
6192126832986032069302385291
31095413491349912164704908131631263101

A091370 as a square array

1272812155025911253661921310954
1312522371119542426832134913
1418844031976986049912
1525125630320616470
16331769304908
17422381316
1852312
1963
110
1
1272812155025911253661921310954
1312522371119542426832134913
1418844031976986049912
1525125630320616470
16331769304908
17422381316
1852312
1963
110
1