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A121306 as a triangular array

2
23
254
2795
2916146
2112530207
213365550278
215499110577359
217641401961821124410
198120433637829415654100285
540714672450210385825125413861122

A121306 as a square array

22222222219540
35791113151781714
491625364964204672
514305591140336450
62050105196378210
72777182294385
835112156825
944541254
101001386
2851122
22222222219540
35791113151781714
491625364964204672
514305591140336450
62050105196378210
72777182294385
835112156825
944541254
101001386
2851122