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A047040
as a triangular array
1
1
1
1
1
1
1
2
1
1
1
3
2
2
1
1
4
5
2
3
1
1
5
9
5
5
4
1
1
6
14
14
10
9
5
1
1
7
20
28
14
9
14
6
1
1
8
27
48
42
14
23
20
7
1
1
9
35
75
90
56
23
43
27
8
1
1
10
44
110
165
146
56
66
70
35
A047040
as a square array
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
3
4
5
6
7
8
9
10
1
1
2
5
9
14
20
27
35
44
1
2
2
5
14
28
48
75
110
1
3
5
10
14
42
90
165
1
4
9
9
14
56
146
1
5
14
23
23
56
1
6
20
43
66
1
7
27
70
1
8
35
1
A047040
as an upper right triangle
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
3
4
5
6
7
8
9
10
1
1
2
5
9
14
20
27
35
44
1
2
2
5
14
28
48
75
110
1
3
5
10
14
42
90
165
1
4
9
9
14
56
146
1
5
14
23
23
56
1
6
20
43
66
1
7
27
70
1
8
35
1
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Last modified June 3 03:48 EDT 2024. Contains 373054 sequences. (Running on oeis4.)
