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A159905
as a triangular array
1
1
1
2
2
1
2
2
2
1
4
4
3
2
1
2
2
3
3
2
1
6
6
5
4
3
2
1
4
4
4
4
4
3
2
1
6
6
6
6
5
4
3
2
1
4
4
5
5
5
5
4
3
2
1
10
10
9
8
7
6
5
4
3
2
1
4
4
4
5
6
6
6
5
4
3
2
1
A159905
as a square array
1
1
2
2
4
2
6
4
6
4
10
4
1
2
2
4
2
6
4
6
4
10
4
1
2
3
3
5
4
6
5
9
4
1
2
3
4
4
6
5
8
5
1
2
3
4
5
5
7
6
1
2
3
4
5
6
6
1
2
3
4
5
6
1
2
3
4
5
1
2
3
4
1
2
3
1
2
1
A159905
as an upper right triangle
1
1
2
2
4
2
6
4
6
4
10
4
1
2
2
4
2
6
4
6
4
10
4
1
2
3
3
5
4
6
5
9
4
1
2
3
4
4
6
5
8
5
1
2
3
4
5
5
7
6
1
2
3
4
5
6
6
1
2
3
4
5
6
1
2
3
4
5
1
2
3
4
1
2
3
1
2
1
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Last modified May 16 04:39 EDT 2024. Contains 372549 sequences. (Running on oeis4.)
