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A210034 as a triangular array

1
21
421
7521
1210621
202013721
33382916821
5471603919921
881301228650221021
14323524118711662251121
23242046839226715075281221
376744894806

A210034 as a square array

12471220335488143232376
12510203871130235420744
126132960122241468894
127163986187392806
1281950116267
1292262150
12102575
121128
1212
12
1
12471220335488143232376
12510203871130235420744
126132960122241468894
127163986187392806
1281950116267
1292262150
12102575
121128
1212
12
1