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A309931
as a triangular array
1
1
1
1
2
1
1
1
3
1
1
2
3
4
1
1
1
1
6
5
1
1
2
3
4
10
6
1
1
1
3
5
10
15
7
1
1
2
1
4
10
20
21
8
1
1
1
3
6
11
21
35
28
9
1
1
2
3
4
10
24
42
56
36
10
1
1
1
1
5
10
25
49
78
84
45
11
1
A309931
as a square array
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
2
1
2
1
2
1
2
1
1
3
3
1
3
3
1
3
3
1
1
4
6
4
5
4
6
4
5
1
5
10
10
10
11
10
10
1
6
15
20
21
24
25
1
7
21
35
42
49
1
8
28
56
78
1
9
36
84
1
10
45
1
11
1
A309931
as an upper right triangle
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
2
1
2
1
2
1
2
1
1
3
3
1
3
3
1
3
3
1
1
4
6
4
5
4
6
4
5
1
5
10
10
10
11
10
10
1
6
15
20
21
24
25
1
7
21
35
42
49
1
8
28
56
78
1
9
36
84
1
10
45
1
11
1
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Last modified June 9 18:04 EDT 2024. Contains 373248 sequences. (Running on oeis4.)
