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A247726 as a triangular array

8
488
168908
4404561728
960159212483348
18484344579634246568
3248100981974421152939213008
5328208165537289836772362582225848
8280392641337803039244086442823847106051488
12320

A247726 as a square array

848168440960184832485328828012320
89045615924344100982081639264
8172124857961974455372133780
833434242115289836303924
8656939277236408644
8130025822282384
8258471060
85148
8
848168440960184832485328828012320
89045615924344100982081639264
8172124857961974455372133780
833434242115289836303924
8656939277236408644
8130025822282384
8258471060
85148
8