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A128590
as a triangular array
1
2
2
4
3
3
6
6
4
4
9
8
8
5
5
12
12
10
10
6
6
16
15
15
12
12
7
7
20
20
18
18
14
14
8
8
25
24
24
21
21
16
16
9
9
30
30
28
28
24
24
18
18
10
10
36
35
35
32
32
27
27
20
20
11
11
42
42
40
40
36
36
30
30
22
22
12
12
A128590
as a square array
1
2
4
6
9
12
16
20
25
30
36
42
2
3
6
8
12
15
20
24
30
35
42
3
4
8
10
15
18
24
28
35
40
4
5
10
12
18
21
28
32
40
5
6
12
14
21
24
32
36
6
7
14
16
24
27
36
7
8
16
18
27
30
8
9
18
20
30
9
10
20
22
10
11
22
11
12
12
A128590
as an upper right triangle
1
2
4
6
9
12
16
20
25
30
36
42
2
3
6
8
12
15
20
24
30
35
42
3
4
8
10
15
18
24
28
35
40
4
5
10
12
18
21
28
32
40
5
6
12
14
21
24
32
36
6
7
14
16
24
27
36
7
8
16
18
27
30
8
9
18
20
30
9
10
20
22
10
11
22
11
12
12
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Last modified May 15 05:46 EDT 2024. Contains 372538 sequences. (Running on oeis4.)
