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A223415 as a triangular array

10
2424
6613266
176780780176
4864664104964664486
131228060139552139552280601312
36221691241905248422274819052481691243622
97921020056256153641288853761288853762561536410200569792

A223415 as a square array

102466176486131236229792
241327804664280601691241020056
6678010496139552190524825615364
17646641395524222748128885376
486280601905248128885376
131216912425615364
36221020056
9792
102466176486131236229792
241327804664280601691241020056
6678010496139552190524825615364
17646641395524222748128885376
486280601905248128885376
131216912425615364
36221020056
9792