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A047996
as a triangular array
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
2
2
1
1
1
1
3
4
3
1
1
1
1
3
5
5
3
1
1
1
1
4
7
10
7
4
1
1
1
1
4
10
14
14
10
4
1
1
1
1
5
12
22
26
22
12
5
1
1
1
1
5
15
30
42
42
30
15
5
1
1
1
1
6
19
43
66
80
66
43
19
6
1
1
1
1
6
22
A047996
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
3
3
4
4
5
5
6
6
1
1
2
4
5
7
10
12
15
19
22
1
1
3
5
10
14
22
30
43
1
1
3
7
14
26
42
66
1
1
4
10
22
42
80
1
1
4
12
30
66
1
1
5
15
43
1
1
5
19
1
1
6
1
1
1
A047996
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
3
3
4
4
5
5
6
6
1
1
2
4
5
7
10
12
15
19
22
1
1
3
5
10
14
22
30
43
1
1
3
7
14
26
42
66
1
1
4
10
22
42
80
1
1
4
12
30
66
1
1
5
15
43
1
1
5
19
1
1
6
1
1
1
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Last modified May 13 00:07 EDT 2024. Contains 372497 sequences. (Running on oeis4.)
