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A157521 as a triangular array

0
1-1
30-3
119-9-11
50800-80-50
274650400-400-650-274
1764554463000-6300-5544-1764
13068511568290844100-44100-82908-51156-13068
109584513792107251210160640-1016064-1072512-513792-109584

A157521 as a square array

0131150274176413068109584
-10980650554451156513792
-3-904006300829081072512
-11-80-4000441001016064
-50-650-6300-441000
-274-5544-82908-1016064
-1764-51156-1072512
-13068-513792
-109584
0131150274176413068109584
-10980650554451156513792
-3-904006300829081072512
-11-80-4000441001016064
-50-650-6300-441000
-274-5544-82908-1016064
-1764-51156-1072512
-13068-513792
-109584