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A224975 as a triangular array

256
912912
3067111963067
1365411025311025313654
5933017775861417535177758659330
29434926732072496737554967375526732072294349
145067843578833394661391945605810709466139194357883331450678

A224975 as a square array

256912306713654593302943491450678
91211196110253177758626732072435788333
3067110253141753549673755946613919
136541777586496737554560581070
5933026732072946613919
294349435788333
1450678
256912306713654593302943491450678
91211196110253177758626732072435788333
3067110253141753549673755946613919
136541777586496737554560581070
5933026732072946613919
294349435788333
1450678