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A237677 as a triangular array

256
15641564
9647142449647
6300013257213257263000
412120134642019151531346420412120
2668500135694223061897630618976135694222668500
17280632134401476482106388796647426482106388134401476

A237677 as a square array

2561564964763000412120266850017280632
156414244132572134642013569422134401476
9647132572191515330618976482106388
63000134642030618976796647426
41212013569422482106388
2668500134401476
2561564964763000412120266850017280632
156414244132572134642013569422134401476
9647132572191515330618976482106388
63000134642030618976796647426
41212013569422482106388
2668500134401476