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A137650 as a triangular array

1
21
541
151471
525136111
20320217181161
877876813512162221
41404139401230461345295291
21147211462089117866100963145499371
115975115974115463

A137650 as a square array

1251552203877414021147115975
141451202876413921146115974
1736171813401220891115463
11181512304617866
116162134510096
1222953145
129499
137
1
1251552203877414021147115975
141451202876413921146115974
1736171813401220891115463
11181512304617866
116162134510096
1222953145
129499
137
1