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A358349 as a triangular array

1
21
331
4941
5213151
64122012961
7711081694965171
81133992244769897072391381
916912015456012117017968535839977852739991
10241311125252400111178780539021526634890512201

A358349 as a square array

12345678910
139214171113169241
1431220108139921201531112
151296949244769456012152524001
1665189707217017968531117878053902
1739135839977851526634890512201
1827399
19
1
12345678910
139214171113169241
1431220108139921201531112
151296949244769456012152524001
1665189707217017968531117878053902
1739135839977851526634890512201
1827399
19
1