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A285731
as a triangular array
1
2
1
3
2
1
2
3
2
1
5
4
3
2
1
3
5
4
3
2
1
7
6
5
4
3
2
1
2
7
6
5
4
3
2
1
3
4
7
6
5
4
3
2
1
5
9
8
7
6
5
4
3
2
1
11
10
9
8
7
6
5
4
3
2
1
3
11
10
9
8
7
6
5
4
3
2
1
13
6
11
10
9
8
7
6
5
4
3
2
1
7
13
12
11
10
9
8
7
6
5
4
3
2
1
A285731
as a square array
1
2
3
2
5
3
7
2
3
5
11
3
13
7
1
2
3
4
5
6
7
4
9
10
11
6
13
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
1
2
3
4
5
6
1
2
3
4
5
1
2
3
4
1
2
3
1
2
1
A285731
as an upper right triangle
1
2
3
2
5
3
7
2
3
5
11
3
13
7
1
2
3
4
5
6
7
4
9
10
11
6
13
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
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 June 6 19:21 EDT 2024. Contains 373134 sequences. (Running on oeis4.)
