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A297595 as a triangular array

1
21
351
4991
61325201
9334969411
1369145154205851
191214437525775971781
28253114131453747197717013691
415293009101312306618577696249497691
601013845537929103673

A297595 as a square array

1234691319284160
1591333691212535291013
192549145443114130098455
1206915475231451013137929
141205577374723066103673
185597197718577
117817016962
13694949
1769
1
1234691319284160
1591333691212535291013
192549145443114130098455
1206915475231451013137929
141205577374723066103673
185597197718577
117817016962
13694949
1769
1