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A091834 as a triangular array

2
36
424
5151010
63263
72121141421
8482848
91839186918
105101521051015
11444433332222444433

A091834 as a square array

234567891011
6215321418544
410221831044
10614291533
314818233
21461022
89522
181044
1544
33
234567891011
6215321418544
410221831044
10614291533
314818233
21461022
89522
181044
1544
33