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A210789 as a triangular array

1
11
122
1343
14885
151218158
161832392813
17245377805121
1832801421761609234
194011623435238431216455
1105016037063283081259829089
11160215

A210789 as a square array

111111111111
1234567891011
24812182432405060
3818325380116160215
5153977142234370
82880176352632
1351160384830
2192312812
34164598
55290
89
111111111111
1234567891011
24812182432405060
3818325380116160215
5153977142234370
82880176352632
1351160384830
2192312812
34164598
55290
89