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A292473 as a triangular array

2
311
52329
73743157
134147173113
175953181151223
196771229163239

A292473 as a square array

2357131719
112337415967
2943475371
157173181229
113151163
223239
2357131719
112337415967
2943475371
157173181229
113151163
223239