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A191726 as a triangular array

1
23
674
1617115
414227128
1021066731219
25626616777522210
641666417192131562613
160216661042481327141663214
4006416626061202817352166813615
1001610416

A191726 as a square array

12616411022566411602400610016
3717421062666661666416610416
411276716741710422606
51231771924811202
82152131327817
92256141352
102666166
133281
1436
15
12616411022566411602400610016
3717421062666661666416610416
411276716741710422606
51231771924811202
82152131327817
92256141352
102666166
133281
1436
15