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A193815
as a triangular array
1
1
1
1
3
2
1
4
6
3
1
5
10
10
4
1
6
15
20
15
5
1
7
21
35
35
21
6
1
8
28
56
70
56
28
7
1
9
36
84
126
126
84
36
8
1
10
45
120
210
252
210
120
45
9
1
11
55
165
330
462
462
330
165
55
10
1
12
66
220
495
A193815
as a square array
1
1
1
1
1
1
1
1
1
1
1
1
1
3
4
5
6
7
8
9
10
11
12
2
6
10
15
21
28
36
45
55
66
3
10
20
35
56
84
120
165
220
4
15
35
70
126
210
330
495
5
21
56
126
252
462
6
28
84
210
462
7
36
120
330
8
45
165
9
55
10
A193815
as an upper right triangle
1
1
1
1
1
1
1
1
1
1
1
1
1
3
4
5
6
7
8
9
10
11
12
2
6
10
15
21
28
36
45
55
66
3
10
20
35
56
84
120
165
220
4
15
35
70
126
210
330
495
5
21
56
126
252
462
6
28
84
210
462
7
36
120
330
8
45
165
9
55
10
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Last modified May 14 06:13 EDT 2024. Contains 372528 sequences. (Running on oeis4.)
