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A093412 as a triangular array

1
21
351
4731
53271
6115941
713311591
8571321151
917437133111
101991781571361
117519317257131
12231121101991781571
13256231135199174

A093412 as a square array

12345678910111213
157311135171972325
132537495116
1791113317192123
14527831011
1911131517193
1537295
1111351719
16789
1131517
174
1
12345678910111213
157311135171972325
132537495116
1791113317192123
14527831011
1911131517193
1537295
1111351719
16789
1131517
174
1