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A048870 as a triangular array

1
11
4101
30132271
3362232696521
504046320195002200851
9504011419206069609180053401261
216216032639040209916003986640310170110041751
576576001061746560802287360183550080

A048870 as a square array

11430336504095040216216057657600
1101322232463201141920326390401061746560
1276961950060696020991600802287360
1522200918003986640183550080
1855340310170
112611004
1175
1
11430336504095040216216057657600
1101322232463201141920326390401061746560
1276961950060696020991600802287360
1522200918003986640183550080
1855340310170
112611004
1175
1