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A308690
as a triangular array
1
1
3
1
3
4
1
3
4
7
1
3
4
9
6
1
3
4
13
6
12
1
3
4
21
6
24
8
1
3
4
37
6
66
8
15
1
3
4
69
6
216
8
41
13
1
3
4
133
6
762
8
201
37
18
1
3
4
261
6
2784
8
1289
253
68
12
1
3
4
517
6
10386
8
9225
2197
648
12
28
A308690
as a square array
1
1
1
1
1
1
1
1
1
1
1
1
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
7
9
13
21
37
69
133
261
517
6
6
6
6
6
6
6
6
12
24
66
216
762
2784
10386
8
8
8
8
8
8
15
41
201
1289
9225
13
37
253
2197
18
68
648
12
12
28
A308690
as an upper right triangle
1
1
1
1
1
1
1
1
1
1
1
1
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
7
9
13
21
37
69
133
261
517
6
6
6
6
6
6
6
6
12
24
66
216
762
2784
10386
8
8
8
8
8
8
15
41
201
1289
9225
13
37
253
2197
18
68
648
12
12
28
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Last modified May 21 05:34 EDT 2024. Contains 372728 sequences. (Running on oeis4.)
