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A210697 as a triangular array

1
11
252
936369
9049585549590
2025141753483034830141752025
102060867510277603240824002776032867510102060

A210697 as a square array

1129902025102060
153649514175867510
236855348302776032
9495348304082400
90141752776032
2025867510
102060
1129902025102060
153649514175867510
236855348302776032
9495348304082400
90141752776032
2025867510
102060