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A319298 as a triangular array

1
31
771
2125131
6610171211
258366396166311
1079155518771247337431
49877099919978553305617571
251953462747371472452708576811045731
13672318403325310828496820327879756161261666911

A319298 as a square array

13721662581079498725195136723
17251013661555709934627184033
113713961877919947371253108
1211661247785547245284968
131337330527085203278
143617768179756
157104516126
1731666
191
1
13721662581079498725195136723
17251013661555709934627184033
113713961877919947371253108
1211661247785547245284968
131337330527085203278
143617768179756
157104516126
1731666
191
1