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A115952
as a triangular array
1
-1
1
-1
0
1
0
0
-1
1
0
-1
0
0
1
0
0
0
0
-1
1
0
0
-1
0
0
0
1
0
0
0
0
0
0
-1
1
0
0
0
-1
0
0
0
0
1
0
0
0
0
0
0
0
0
-1
1
0
0
0
0
-1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
-1
1
0
0
0
0
0
-1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
-1
1
0
0
0
0
0
0
-1
A115952
as a square array
1
-1
-1
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
-1
0
0
0
0
0
0
0
0
0
0
1
-1
0
0
-1
0
0
0
0
0
0
0
0
1
0
0
0
0
-1
0
0
0
0
0
0
1
-1
0
0
0
0
-1
0
0
0
0
1
0
0
0
0
0
0
-1
0
0
1
-1
0
0
0
0
0
0
-1
1
0
0
0
0
0
0
1
-1
0
0
0
0
1
0
0
0
0
1
-1
0
0
1
0
0
1
-1
1
A115952
as an upper right triangle
1
-1
-1
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
-1
0
0
0
0
0
0
0
0
0
0
1
-1
0
0
-1
0
0
0
0
0
0
0
0
1
0
0
0
0
-1
0
0
0
0
0
0
1
-1
0
0
0
0
-1
0
0
0
0
1
0
0
0
0
0
0
-1
0
0
1
-1
0
0
0
0
0
0
-1
1
0
0
0
0
0
0
1
-1
0
0
0
0
1
0
0
0
0
1
-1
0
0
1
0
0
1
-1
1
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Last modified June 3 19:11 EDT 2024. Contains 373087 sequences. (Running on oeis4.)
