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A127893 as a triangular array

1
31
661
102191
155645121
2112616578151
28252495364120181
3646212871365680171211
457923003436830601140231241
5512876435123761162859851771300271

A127893 as a square array

13610152128364555
1621561262524627921287
1945165495128730036435
112783641365436812376
115120680306011628
11817111405985
1212311771
124300
127
1
13610152128364555
1621561262524627921287
1945165495128730036435
112783641365436812376
115120680306011628
11817111405985
1212311771
124300
127
1