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A049597
as a triangular array
1
0
2
0
0
3
0
0
1
4
0
0
0
2
5
0
0
0
2
3
6
0
0
0
0
4
4
7
0
0
0
0
3
6
5
8
0
0
0
0
1
6
8
6
9
0
0
0
0
0
6
9
10
7
10
0
0
0
0
0
2
11
12
12
8
11
0
0
0
0
0
2
9
16
15
14
9
12
0
0
0
0
0
0
7
16
21
18
16
10
13
0
0
0
0
0
0
A049597
as a square array
1
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
3
1
0
0
0
0
0
0
0
0
0
0
4
2
2
0
0
0
0
0
0
0
0
5
3
4
3
1
0
0
0
0
0
6
4
6
6
6
2
2
0
0
7
5
8
9
11
9
7
8
6
10
12
16
16
9
7
12
15
21
10
8
14
18
11
9
16
12
10
13
A049597
as an upper right triangle
1
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
3
1
0
0
0
0
0
0
0
0
0
0
4
2
2
0
0
0
0
0
0
0
0
5
3
4
3
1
0
0
0
0
0
6
4
6
6
6
2
2
0
0
7
5
8
9
11
9
7
8
6
10
12
16
16
9
7
12
15
21
10
8
14
18
11
9
16
12
10
13
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Last modified June 4 22:04 EDT 2024. Contains 373102 sequences. (Running on oeis4.)
