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A210200 as a triangular array

1
22
452
71272
12252192
20505332112
33961249445132
5418027325015060152
8833157761744522377172
14360011811444121272831596192
23210752358324231012163

A210200 as a square array

12471220335488143232
25122550961803316001075
27215312427357711812358
29329425061714443242
2114515044512123101
213602237282163
21577315
21796
219
2
12471220335488143232
25122550961803316001075
27215312427357711812358
29329425061714443242
2114515044512123101
213602237282163
21577315
21796
219
2