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A213351 as a triangular array

1
20220
111760264
1144034327864064
32032218432032024024032760
45514643201537536349440145606223360
871270429702402475202380248934404480819221385728
2970240856809459507221283891213544294428217280

A213351 as a square array

12011114403203245587127042970240
2201760343221841464320297024085680
26478320320153753624752094595072
640642402403494402380212838912
327601456024893440135442944
62233604480819228217280
21385728
12011114403203245587127042970240
2201760343221841464320297024085680
26478320320153753624752094595072
640642402403494402380212838912
327601456024893440135442944
62233604480819228217280
21385728