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A166346 as a triangular array

1
11
181
139391
11584821581
1605419441946051
1227631047677523104722761
1851521060985607585607521060985151
131802135636893679741719491093679741356368318021
1118713

A166346 as a square array

1111111111
18391586052276851531802118713
1394824194310472106091356368
11584194677528560759367974
16053104785607517194910
122762106099367974
185151356368
131802
1
1111111111
18391586052276851531802118713
1394824194310472106091356368
11584194677528560759367974
16053104785607517194910
122762106099367974
185151356368
131802
1