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A112307 as a triangular array

1
11
122
1463
1916124
1234439205
16512812376306
1197392393268130427
162612501284928505204568
120564110428732161880864301729
16918138341458311224688534381379

A112307 as a square array

11111111111
1249236519762620566918
2616441283921250411013834
312391233931284428714583
42076268928321611224
53013050518806885
6422048643438
7563011379
872
9
11111111111
1249236519762620566918
2616441283921250411013834
312391233931284428714583
42076268928321611224
53013050518806885
6422048643438
7563011379
872
9