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A111672 as a triangular array

1
11
121
1351
1412151
152260521
16351543582031
1751315130424718771
18705613455129151930241401

A111672 as a square array

111111111
12345678
151222355170
11560154315561
15235813043455
1203247112915
187719302
14140
1
111111111
12345678
151222355170
11560154315561
15235813043455
1203247112915
187719302
14140
1