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A193730 as a triangular array

1
21
483
828309
168014410827
3220852864837881
645121680288027001296243
128121648961080014040106924374729
25628161344036288604806350440824145802187
512640035328112896229824308448272160151632481146561

A193730 as a square array

1248163264128256512
182880208512121628166400
330144528168048961344035328
910864828801080036288112896
2737827001404060480229824
8112961069263504308448
243437440824272160
72914580151632
218748114
6561
1248163264128256512
182880208512121628166400
330144528168048961344035328
910864828801080036288112896
2737827001404060480229824
8112961069263504308448
243437440824272160
72914580151632
218748114
6561