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A115452 as a triangular array

1
2-1
2-31
2-33-1
002-31
-23-1-23-1
00002-31
2-33-10-23-1
0000002-31
00-23-100-23-1
000000002-31
-23-1-23-1000-23-1
00000000002-31

A115452 as a square array

12220-202000-20
-1-3-3030-300030
132-1030-20-10
-1-3-20-1030-20
13200-1030
-1-3-2000-10
1320000
-1-3-2000
13200
-1-3-20
132
-1-3
1
12220-202000-20
-1-3-3030-300030
132-1030-20-10
-1-3-20-1030-20
13200-1030
-1-3-2000-10
1320000
-1-3-2000
13200
-1-3-20
132
-1-3
1