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A373751 as a triangular array

2
33
575
211137
37191911
3511293113
2131123313717
513172329414319
2717233137596123
531119293743616729
27131743434753717331
3513231947535367797937

A373751 as a square array

235233252523
37117513137375
5131911111717111313
71929232323191723
1131312931294319
13374137374347
174359434753
1961615353
23677167
297379
3179
37
235233252523
37117513137375
5131911111717111313
71929232323191723
1131312931294319
13374137374347
174359434753
1961615353
23677167
297379
3179
37