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A211796 as a triangular array

1
81
2671
602271
115512271
19699502271
30816896502271
45626516395502271
64539325516195502271
88055637825316195502271
11667605343742521619550227

A211796 as a square array

1826601151963084566458801166
17225199168265393556760
17225096163255378534
17225095161253374
17225095161252
17225095161
17225095
172250
1722
17
1826601151963084566458801166
17225199168265393556760
17225096163255378534
17225095161253374
17225095161252
17225095161
17225095
172250
1722
17