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A209560 as a triangular array

1
31
551
91271
15292291
25616635111
4112416612551131
6724139436521170151
10945787798870132992171
1778481877247221291225484117191
2871549388458805909

A209560 as a square array

135915254167109177287
151229611242414578481549
17226616639487718773884
193512536598824725880
1115121170121295909
113703291225
11592484
117117
119
1
135915254167109177287
151229611242414578481549
17226616639487718773884
193512536598824725880
1115121170121295909
113703291225
11592484
117117
119
1