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A127780
as a triangular array
1
3
6
5
10
15
7
14
21
28
9
18
27
36
45
11
22
33
44
55
66
13
26
39
52
65
78
91
15
30
45
60
75
90
105
120
A127780
as a square array
1
3
5
7
9
11
13
15
6
10
14
18
22
26
30
15
21
27
33
39
45
28
36
44
52
60
45
55
65
75
66
78
90
91
105
120
A127780
as an upper right triangle
1
3
5
7
9
11
13
15
6
10
14
18
22
26
30
15
21
27
33
39
45
28
36
44
52
60
45
55
65
75
66
78
90
91
105
120
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Last modified June 4 17:49 EDT 2024. Contains 373102 sequences. (Running on oeis4.)
