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A048472 as a triangular array

1
21
531
13941
33251351
8165371761
19316197492171
449385241129612581
1025897577321161732991
2305204913457694011938533101
512146093073

A048472 as a square array

125133381193449102523055121
139256516138589720494609
1413379724157713453073
151749129321769
162161161401
172573193
182985
1933
110
1
125133381193449102523055121
139256516138589720494609
1413379724157713453073
151749129321769
162161161401
172573193
182985
1933
110
1