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A193723 as a triangular array

1
21
651
182181
548145111
16229721678141
4861053945450120171
1458364538882295810171201
437412393153091077347251323231231
131224155358320476282494886942016300261

A193723 as a square array

12618541624861458437413122
152181297105336451239341553
184521694538881530958320
1117845022951077347628
114120810472524948
11717113238694
1202312016
123300
126
1
12618541624861458437413122
152181297105336451239341553
184521694538881530958320
1117845022951077347628
114120810472524948
11717113238694
1202312016
123300
126
1