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A068906
as a triangular array
0
0
1
0
0
1
0
1
2
1
0
1
0
2
1
0
1
2
3
2
1
0
1
1
1
3
2
1
0
1
2
3
0
3
2
1
0
0
0
3
2
5
3
2
1
0
0
1
3
1
1
5
3
2
1
0
0
0
2
0
5
0
5
3
2
1
0
0
0
2
2
3
4
7
5
3
2
1
0
1
2
2
0
4
1
3
7
5
3
2
1
0
1
2
0
2
0
1
7
2
7
5
3
2
1
A068906
as a square array
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
1
1
1
0
0
0
0
1
1
1
2
0
2
1
2
0
1
0
0
2
2
1
2
3
1
3
3
3
2
2
2
0
1
2
3
0
2
1
0
2
0
2
1
2
3
5
1
5
3
4
0
1
2
3
5
0
4
1
1
1
2
3
5
7
3
7
1
2
3
5
7
2
1
2
3
5
7
1
2
3
5
1
2
3
1
2
1
A068906
as an upper right triangle
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
1
1
1
0
0
0
0
1
1
1
2
0
2
1
2
0
1
0
0
2
2
1
2
3
1
3
3
3
2
2
2
0
1
2
3
0
2
1
0
2
0
2
1
2
3
5
1
5
3
4
0
1
2
3
5
0
4
1
1
1
2
3
5
7
3
7
1
2
3
5
7
2
1
2
3
5
7
1
2
3
5
1
2
3
1
2
1
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Last modified May 13 15:16 EDT 2024. Contains 372520 sequences. (Running on oeis4.)
