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A251722
as a triangular array
1
2
1
3
2
1
5
3
2
1
4
4
3
2
1
8
9
4
3
2
1
6
5
5
4
3
2
1
14
6
6
5
4
3
2
1
13
12
7
6
5
4
3
2
1
11
7
8
7
6
5
4
3
2
1
7
8
14
8
7
6
5
4
3
2
1
23
19
9
9
8
7
6
5
4
3
2
1
9
10
10
10
9
8
7
6
5
4
3
2
1
17
17
21
11
10
9
8
7
6
5
4
3
2
1
18
42
11
12
11
10
9
8
7
6
5
4
3
2
1
A251722
as a square array
1
2
3
5
4
8
6
14
13
11
7
23
9
17
18
1
2
3
4
9
5
6
12
7
8
19
10
17
42
1
2
3
4
5
6
7
8
14
9
10
21
11
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
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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
A251722
as an upper right triangle
1
2
3
5
4
8
6
14
13
11
7
23
9
17
18
1
2
3
4
9
5
6
12
7
8
19
10
17
42
1
2
3
4
5
6
7
8
14
9
10
21
11
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
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3
4
5
1
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3
4
1
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1
2
1
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Last modified June 8 13:51 EDT 2024. Contains 373217 sequences. (Running on oeis4.)
