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A209579 as a triangular array

1
11
231
2661
3914101
3142829151
418487155211
4257513915897281
530112251356321161361
539156413724828609254451
6452156451321187417821094384551
6

A209579 as a square array

112233445566
1369141825303945
1614284875112156215
1102971139251413645
115551583567241321
121973218281874
1281616091782
1362541094
145384
155
1
112233445566
1369141825303945
1614284875112156215
1102971139251413645
115551583567241321
121973218281874
1281616091782
1362541094
145384
155
1