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A250769 as a triangular array

9
1818
353436
68626672
133114114130144
262214196216258288
519410344350418514576
103279862257264882010261152
2057157011589629961234162220502304
410631102208168015581812

A250769 as a square array

9183568133262519103220574106
18346211421441079815703110
366611419634462211582208
721302163505729621680
1442584186489961558
28851482012341812
57610261622
11522050
2304
9183568133262519103220574106
18346211421441079815703110
366611419634462211582208
721302163505729621680
1442584186489961558
28851482012341812
57610261622
11522050
2304