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A178239
as a triangular array
1
1
1
1
1
1
1
1
2
1
1
1
3
1
1
1
1
4
1
3
1
1
1
5
1
5
2
1
1
1
6
1
7
3
3
1
1
1
7
1
9
4
7
1
1
1
1
8
1
11
5
13
1
4
1
1
1
9
1
13
6
21
1
7
3
1
1
1
10
1
15
7
31
1
10
5
5
1
A178239
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
2
3
4
5
6
7
8
9
10
1
1
1
1
1
1
1
1
1
1
3
5
7
9
11
13
15
1
2
3
4
5
6
7
1
3
7
13
21
31
1
1
1
1
1
1
4
7
10
1
3
5
1
5
1
A178239
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
2
3
4
5
6
7
8
9
10
1
1
1
1
1
1
1
1
1
1
3
5
7
9
11
13
15
1
2
3
4
5
6
7
1
3
7
13
21
31
1
1
1
1
1
1
4
7
10
1
3
5
1
5
1
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Last modified May 12 19:25 EDT 2024. Contains 372494 sequences. (Running on oeis4.)
