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A260177 as a triangular array

40
7474
183167183
409419419409
950100110541001950
222125002598259825002221
5235634468136973681363445235
1206315847178891970119701178891584712063
282303958446263558496121655849

A260177 as a square array

4074183409950222152351206328230
741674191001250063441584739584
1834191054259868131788946263
4091001259869731970155849
950250068131970161216
222163441788955849
523515847
12063
4074183409950222152351206328230
741674191001250063441584739584
1834191054259868131788946263
4091001259869731970155849
950250068131970161216
222163441788955849
523515847
12063