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A208001 as a triangular array

1
22
5155
1511411415
5216574141165752
2033640142642242642236401203
877109407686545486450288795865454861094076877
414042436913291696611261182700979380118270097938029169661126424369134140

A208001 as a square array

12515522038774140
215114165736401109407642436913
511441414264228654548629169661126
1516574264224502887951182700979380
5236401865454861182700979380
203109407629169661126
87742436913
4140
12515522038774140
215114165736401109407642436913
511441414264228654548629169661126
1516574264224502887951182700979380
5236401865454861182700979380
203109407629169661126
87742436913
4140