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A173621 as a triangular array

1
14
11222
124120140
1403801140969
1609205060106267084
184189016380614259828053820
1112347243400251720704816906192420732
11445880999608246703518592779116883476803362260

A173621 as a square array

111111111
41224406084112144
22120380920189034725880
14011405060163804340099960
9691062661425251720824670
7084982807048163518592
538209061927791168
4207328347680
3362260
111111111
41224406084112144
22120380920189034725880
14011405060163804340099960
9691062661425251720824670
7084982807048163518592
538209061927791168
4207328347680
3362260