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A198528 as a triangular array

1
22
5155
1519319315
52366016714366052
202818441877316187731681844202
855194867222259095310845398252225909531948672855
3845474364982667004112563458656119663458656119626670041125

A198528 as a square array

12515522028553845
215193366081844194867247436498
519316714187731622259095326670041125
15366018773161084539825634586561196
5281844222590953634586561196
202194867226670041125
855
12515522028553845
215193366081844194867247436498
519316714187731622259095326670041125
15366018773161084539825634586561196
5281844222590953634586561196
202194867226670041125
855