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A290569 as a triangular array

1
11
112
1135
1151514
1196110542
11172971385945132
11331585242735052110395429
11658865485729397620927027651351351430
111295088110401345372281761114503228119936098120270254862

A290569 as a square array

1111111111
111111111
2359173365129
515612971585886550881
1410513852427348572910401345
42945505213976209372281761
1321039527027651145032281
429135135199360981
14302027025
4862
1111111111
111111111
2359173365129
515612971585886550881
1410513852427348572910401345
42945505213976209372281761
1321039527027651145032281
429135135199360981
14302027025
4862