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A077050
as a triangular array
1
-1
0
-1
1
0
0
0
0
0
-1
-1
1
0
0
1
0
0
0
0
0
-1
-1
0
1
0
0
0
0
0
-1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
0
0
0
0
0
0
0
0
0
-1
-1
-1
-1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
1
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
-1
A077050
as a square array
1
-1
-1
0
-1
1
-1
0
0
1
-1
0
-1
1
0
1
0
-1
0
-1
0
0
0
-1
0
1
0
0
0
1
0
0
-1
0
0
-1
0
0
0
0
0
0
1
0
0
0
-1
0
0
0
0
0
0
0
1
0
0
0
0
-1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
A077050
as an upper right triangle
1
-1
-1
0
-1
1
-1
0
0
1
-1
0
-1
1
0
1
0
-1
0
-1
0
0
0
-1
0
1
0
0
0
1
0
0
-1
0
0
-1
0
0
0
0
0
0
1
0
0
0
-1
0
0
0
0
0
0
0
1
0
0
0
0
-1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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Last modified May 12 20:41 EDT 2024. Contains 372494 sequences. (Running on oeis4.)
