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A155993 as a triangular array

2
11
303
-299-2
-50400-5
-14540405-14
-270900900-27
-6221154141415421-62
-12504000-4004000-125
-2549648288-180-1802886489-254
-5070141001200120014100-507

A155993 as a square array

213-2-5-14-27-62-125-254-507
10905021090
394040901544006481410
-204001402880
-559014-40-180120
-1401540-1800
-2721400288120
-6206480
-12591410
-2540
-507
213-2-5-14-27-62-125-254-507
10905021090
394040901544006481410
-204001402880
-559014-40-180120
-1401540-1800
-2721400288120
-6206480
-12591410
-2540
-507