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A111999 as a triangular array

-1
32
-15-20-6
10521013024
-945-2520-2380-924-120
103953465044100264327308720
-135135-540540-866250-705320-303660-64224-5040
20270259459450182882701885884011098780367884062337640320
-34459425-183783600-416215800

A111999 as a square array

-13-15105-94510395-1351352027025-34459425
2-20210-252034650-5405409459450-183783600
-6130-238044100-86625018288270-416215800
24-92426432-70532018858840
-1207308-30366011098780
720-642243678840
-5040623376
40320
-13-15105-94510395-1351352027025-34459425
2-20210-252034650-5405409459450-183783600
-6130-238044100-86625018288270-416215800
24-92426432-70532018858840
-1207308-30366011098780
720-642243678840
-5040623376
40320