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A120493 as a triangular array

1
11
242
515155
1456845614
4221042042021042
132792198026401980792132
42829968988149801498089882996428
1416113283964879296991207929639648113281416

A120493 as a square array

112514421324281416
141556210792299611328
215844201980898839648
55642026401498079296
1421019801498099120
42792898879296
132299639648
42811328
1416
112514421324281416
141556210792299611328
215844201980898839648
55642026401498079296
1421019801498099120
42792898879296
132299639648
42811328
1416