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A206706 as a triangular array

-1
1-1
-12-1
-111-1
0-111-1
-11001-1
1-20101-1
-1100001-1
000-11001-1
00-1100001-1
1-210-110001-1
-11000000001-1
0

A206706 as a square array

-11-1-10-11-1001-10
-121-11-2100-21
-1110000-110
-11010-1100
-110010-10
-1100010
-110000
-11000
-1100
-110
-11
-1
-11-1-10-11-1001-10
-121-11-2100-21
-1110000-110
-11010-1100
-110010-10
-1100010
-110000
-11000
-1100
-110
-11
-1