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A127507 as a triangular array

1
-1-1
-1-1-1
0000
-1-1-1-1-1
111111
-1-1-1-1-1-1-1
00000000
000000000
1111111111

A127507 as a square array

1-1-10-11-1001
-1-10-11-1001
-10-11-1001
0-11-1001
-11-1001
1-1001
-1001
001
01
1
1-1-10-11-1001
-1-10-11-1001
-10-11-1001
0-11-1001
-11-1001
1-1001
-1001
001
01
1