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A300435 as a triangular array

0
11
121
2662
31513153
5373333375
890878787908
1322322823823822822313
2155061169770469761155021
341355165619422104210419421656135534
55334144795656623566776235

A300435 as a square array

011235813213455
12615379022355013553341
1613338722861116564479
215338723869719425656
3378723870421046235
59022869721046677
822361119426235
135501656
211355
34
011235813213455
12615379022355013553341
1613338722861116564479
215338723869719425656
3378723870421046235
59022869721046677
822361119426235
135501656
211355
34