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A026648
as a triangular array
1
1
1
1
3
1
1
4
4
1
1
6
8
6
1
1
7
14
14
7
1
1
9
21
36
21
9
1
1
10
30
57
57
30
10
1
1
12
40
108
114
108
40
12
1
1
13
52
148
222
222
148
52
13
1
1
15
65
240
370
558
370
240
65
15
1
1
16
A026648
as a square array
1
1
1
1
1
1
1
1
1
1
1
1
1
3
4
6
7
9
10
12
13
15
16
1
4
8
14
21
30
40
52
65
1
6
14
36
57
108
148
240
1
7
21
57
114
222
370
1
9
30
108
222
558
1
10
40
148
370
1
12
52
240
1
13
65
1
15
1
A026648
as an upper right triangle
1
1
1
1
1
1
1
1
1
1
1
1
1
3
4
6
7
9
10
12
13
15
16
1
4
8
14
21
30
40
52
65
1
6
14
36
57
108
148
240
1
7
21
57
114
222
370
1
9
30
108
222
558
1
10
40
148
370
1
12
52
240
1
13
65
1
15
1
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Last modified May 17 04:32 EDT 2024. Contains 372579 sequences. (Running on oeis4.)
