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A131252
as a triangular array
1
2
1
4
3
1
7
6
3
1
12
11
7
3
1
20
19
14
7
3
1
33
32
26
15
7
3
1
54
53
46
30
15
7
3
1
88
87
79
57
31
15
7
3
1
143
142
133
104
62
31
15
7
3
1
A131252
as a square array
1
2
4
7
12
20
33
54
88
143
1
3
6
11
19
32
53
87
142
1
3
7
14
26
46
79
133
1
3
7
15
30
57
104
1
3
7
15
31
62
1
3
7
15
31
1
3
7
15
1
3
7
1
3
1
A131252
as an upper right triangle
1
2
4
7
12
20
33
54
88
143
1
3
6
11
19
32
53
87
142
1
3
7
14
26
46
79
133
1
3
7
15
30
57
104
1
3
7
15
31
62
1
3
7
15
31
1
3
7
15
1
3
7
1
3
1
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Last modified June 8 09:36 EDT 2024. Contains 373217 sequences. (Running on oeis4.)
