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A143239
as a triangular array
1
2
-1
3
0
-1
4
-2
0
0
5
0
0
0
-1
6
-3
-2
0
0
1
7
0
0
0
0
0
-1
8
-4
0
0
0
0
0
0
9
0
-3
0
0
0
0
0
0
10
-5
0
0
-2
0
0
0
0
1
11
0
0
0
0
0
0
0
0
0
-1
12
-6
-4
0
0
2
0
0
0
0
0
0
13
0
0
0
0
0
0
0
0
0
0
0
-1
14
-7
0
0
0
0
-2
0
0
0
0
0
0
1
A143239
as a square array
1
2
3
4
5
6
7
8
9
10
11
12
13
14
-1
0
-2
0
-3
0
-4
0
-5
0
-6
0
-7
-1
0
0
-2
0
0
-3
0
0
-4
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
0
0
0
0
-2
0
0
0
0
1
0
0
0
0
0
2
0
0
-1
0
0
0
0
0
0
-2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
-1
0
0
0
0
0
0
-1
0
1
A143239
as an upper right triangle
1
2
3
4
5
6
7
8
9
10
11
12
13
14
-1
0
-2
0
-3
0
-4
0
-5
0
-6
0
-7
-1
0
0
-2
0
0
-3
0
0
-4
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
0
0
0
0
-2
0
0
0
0
1
0
0
0
0
0
2
0
0
-1
0
0
0
0
0
0
-2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
-1
0
0
0
0
0
0
-1
0
1
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Last modified May 13 03:04 EDT 2024. Contains 372497 sequences. (Running on oeis4.)
