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A108888
as a triangular array
1
1
1
1
2
1
1
3
1
1
1
4
3
1
1
1
5
2
5
1
1
1
6
5
20
1
1
1
1
7
3
35
35
1
1
1
1
8
7
28
1
1
1
1
1
1
9
4
42
63
9
1
1
1
1
1
10
9
120
35
42
15
1
1
1
1
1
11
5
55
66
11
231
1
1
1
1
1
1
12
11
55
45
72
231
396
1
1
1
1
1
1
13
A108888
as a square array
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
3
4
5
6
7
8
9
10
11
12
13
1
1
3
2
5
3
7
4
9
5
11
1
1
5
20
35
28
42
120
55
55
1
1
1
35
1
63
35
66
45
1
1
1
1
9
42
11
72
1
1
1
1
15
231
231
1
1
1
1
1
396
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
A108888
as an upper right triangle
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
3
4
5
6
7
8
9
10
11
12
13
1
1
3
2
5
3
7
4
9
5
11
1
1
5
20
35
28
42
120
55
55
1
1
1
35
1
63
35
66
45
1
1
1
1
9
42
11
72
1
1
1
1
15
231
231
1
1
1
1
1
396
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Lookup
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Last modified June 2 06:19 EDT 2024. Contains 373032 sequences. (Running on oeis4.)
