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A173567 as a triangular array

2
55
9309
1412312314
20425109242520
27141376507650141327
354872540518738054051487235
44177834265739431909431904265731778344
5467875365585412192579122070301219257936558546787554

A173567 as a square array

259142027354454
530123425141348721778367875
912310927650540514265733655854
1442576508738094319012192579
2014135405194319012207030
27487242657312192579
35177833655854
4467875
54
259142027354454
530123425141348721778367875
912310927650540514265733655854
1442576508738094319012192579
2014135405194319012207030
27487242657312192579
35177833655854
4467875
54