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A105556 as a triangular array

1
11
121
1531
1141241
142572251
11323031483561
1429174311443055171
1143010629978431055467081
1486267791903463550569068899291
11679644802388586844422599156

A105556 as a square array

11111111111
12514421324291430486216796
13125730317431062967791448023
14221481144978490346885868
1535305310535505444225
1651546690699156
1770889
1892
19
1
11111111111
12514421324291430486216796
13125730317431062967791448023
14221481144978490346885868
1535305310535505444225
1651546690699156
1770889
1892
19
1