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A256810 as a triangular array

32
8686
237312237
64111671167641
17314219589142191731
4690152912865528655152914690
12707557981400311872031400315579812707
344082031296883531226781122678168835320312934408
93168

A256810 as a square array

328623764117314690127073440893168
86312116742191529155798203129
2371167589128655140031688353
6414219286551872031226781
1731152911400311226781
469055798688353
12707203129
34408
328623764117314690127073440893168
86312116742191529155798203129
2371167589128655140031688353
6414219286551872031226781
1731152911400311226781
469055798688353
12707203129
34408