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A254553 as a triangular array

512
26962696
12260929212260
47140347803966147140
170504111443129677128366170504
586508375458388056380406443179586508
1964388120669311949441193965119178214122481964388
646270838946563557566

A254553 as a square array

5122696122604714017050458650819643886462708
269692923478011144337545812066933894656
122603966112967738805611949443557566
471401283663804061193965
1705044431791191782
5865081412248
1964388
5122696122604714017050458650819643886462708
269692923478011144337545812066933894656
122603966112967738805611949443557566
471401283663804061193965
1705044431791191782
5865081412248
1964388