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A004197
as a triangular array
0
0
0
0
1
0
0
1
1
0
0
1
2
1
0
0
1
2
2
1
0
0
1
2
3
2
1
0
0
1
2
3
3
2
1
0
0
1
2
3
4
3
2
1
0
0
1
2
3
4
4
3
2
1
0
0
1
2
3
4
5
4
3
2
1
0
0
1
2
3
4
5
5
4
3
2
1
0
0
1
2
3
4
5
6
5
4
3
2
1
0
0
1
2
3
4
5
6
6
5
4
3
2
1
0
0
1
2
A004197
as a square array
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
2
2
2
2
2
2
2
2
2
2
2
0
1
2
3
3
3
3
3
3
3
3
0
1
2
3
4
4
4
4
4
4
0
1
2
3
4
5
5
5
5
0
1
2
3
4
5
6
6
0
1
2
3
4
5
6
0
1
2
3
4
5
0
1
2
3
4
0
1
2
3
0
1
2
0
1
0
A004197
as an upper right triangle
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
2
2
2
2
2
2
2
2
2
2
2
0
1
2
3
3
3
3
3
3
3
3
0
1
2
3
4
4
4
4
4
4
0
1
2
3
4
5
5
5
5
0
1
2
3
4
5
6
6
0
1
2
3
4
5
6
0
1
2
3
4
5
0
1
2
3
4
0
1
2
3
0
1
2
0
1
0
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Last modified May 21 10:20 EDT 2024. Contains 372735 sequences. (Running on oeis4.)
