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A069258
as a triangular array
1
1
1
1
1
1
1
1
1
2
1
1
2
2
1
1
1
2
3
1
2
1
1
2
3
3
2
2
1
1
2
4
3
4
2
2
1
1
2
4
4
4
6
2
2
1
1
2
4
4
6
6
6
2
3
1
1
2
4
5
6
8
6
7
3
3
1
1
2
4
5
7
8
10
7
9
3
3
1
1
2
4
5
7
10
10
12
9
11
3
2
1
1
2
4
5
8
10
12
12
A069258
as a square array
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
3
3
4
4
4
4
4
4
4
1
1
3
3
4
4
5
5
5
5
2
2
4
4
6
6
7
7
8
2
2
6
6
8
8
10
10
2
2
6
6
10
10
12
2
2
7
7
12
12
3
3
9
9
3
3
11
3
3
2
A069258
as an upper right triangle
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
3
3
4
4
4
4
4
4
4
1
1
3
3
4
4
5
5
5
5
2
2
4
4
6
6
7
7
8
2
2
6
6
8
8
10
10
2
2
6
6
10
10
12
2
2
7
7
12
12
3
3
9
9
3
3
11
3
3
2
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Last modified June 5 13:36 EDT 2024. Contains 373105 sequences. (Running on oeis4.)
