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A175243 as a triangular array

1
21
3123
47529416
53841166416384125
61805367500564715216402501296
78100106092151528823808629145600025920000016807
835287292626432380008339280189114296805001355661775108859549251454

A175243 as a square array

12345678
112753841805810035287
32941166436750010609215292626432
161638456471521528823808380008339280
1251640250629145600018911429680500
129625920000013556617751088
1680759549251454
12345678
112753841805810035287
32941166436750010609215292626432
161638456471521528823808380008339280
1251640250629145600018911429680500
129625920000013556617751088
1680759549251454