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A337403 as a triangular array

4
124
36144
9854144
27420056144
70274422456144
1854262692622656144
46149186373895622656144
117783112215056401495822656144
289141057665909217074405095822656144

A337403 as a square array

4123698274702185446141177828914
414542007442626918631122105766
4145622492637381505659092
41456226956401417074
414562269584050
41456226958
41456226
41456
414
4
4123698274702185446141177828914
414542007442626918631122105766
4145622492637381505659092
41456226956401417074
414562269584050
41456226958
41456226
41456
414
4