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A321964 as a triangular array

1
01
011
0321
0151031
0105742141
09457062073651
010395816225294445561
01351351104103624366368157871
02027025170839459138111408414425135010581

A321964 as a square array

1000000000
11315105945103951351352027025
12107470681621104101708394
1321207252936243591381
14364446636114084
155581514425
16781350
17105
18
1
1000000000
11315105945103951351352027025
12107470681621104101708394
1321207252936243591381
14364446636114084
155581514425
16781350
17105
18
1