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A128139
as a triangular array
1
1
2
1
3
3
1
4
5
4
1
5
7
7
5
1
6
9
10
9
6
1
7
11
13
13
11
7
1
8
13
16
17
16
13
8
1
9
15
19
21
21
19
15
9
1
10
17
22
25
26
25
22
17
10
A128139
as a square array
1
1
1
1
1
1
1
1
1
1
2
3
4
5
6
7
8
9
10
3
5
7
9
11
13
15
17
4
7
10
13
16
19
22
5
9
13
17
21
25
6
11
16
21
26
7
13
19
25
8
15
22
9
17
10
A128139
as an upper right triangle
1
1
1
1
1
1
1
1
1
1
2
3
4
5
6
7
8
9
10
3
5
7
9
11
13
15
17
4
7
10
13
16
19
22
5
9
13
17
21
25
6
11
16
21
26
7
13
19
25
8
15
22
9
17
10
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Last modified June 10 01:53 EDT 2024. Contains 373251 sequences. (Running on oeis4.)
