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A131344 as a triangular array

1
21
321
5431
87831
131218941
212038211441
34337647391551
555414797100432151
8988277194236115692261

A131344 as a square array

123581321345589
12471220335488
138183876147277
139214797194
141439100236
141543115
152169
1522
16
1
123581321345589
12471220335488
138183876147277
139214797194
141439100236
141543115
152169
1522
16
1