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A174528 as a triangular array

1
11
181
139391
11667081661
167711584115846771
1272418617175359018617127241
110915298168548417191484171912981685109151
14368247718190310168411412443227012310168411447718190

A174528 as a square array

111111111
183916667727241091543682
13970811584186171298168547718190
116611584753590484171913101684114
16771861714841719112443227012
1272429816853101684114
11091547718190
1
111111111
183916667727241091543682
13970811584186171298168547718190
116611584753590484171913101684114
16771861714841719112443227012
1272429816853101684114
11091547718190
1