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A202874 as a triangular array

1
22
353
5885
81314138
132123232113
21343739373421
3455606363605534
558997102103102978955
8914415716516716716515714489
144233254267270272270267254

A202874 as a square array

123581321345589144
2581321345589144233
381423376097157254
513233963102165267
8213763103167270
133460102167272
215597165270
3489157267
55144254
89
123581321345589144
2581321345589144233
381423376097157254
513233963102165267
8213763103167270
133460102167272
215597165270
3489157267
55144254
89