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A193906 as a triangular array

1
12
258
381423
513233963
8213763103167
133460102167272440
2155971652704407131154
3489157267437712115418693024
5514425443270711521867302448947919
89233

A193906 as a square array

1123581321345589
2581321345589144233
81423376097157254
233963102165267432
63103167270437707
1672724407121152
44071311541867
115418693024
30244894
7919
1123581321345589
2581321345589144233
81423376097157254
233963102165267432
63103167270437707
1672724407121152
44071311541867
115418693024
30244894
7919