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A026747
as a triangular array
1
1
1
1
3
1
1
4
4
1
1
6
11
5
1
1
7
17
16
6
1
1
9
30
44
22
7
1
1
10
39
74
66
29
8
1
1
12
58
143
184
95
37
9
1
1
13
70
201
327
279
132
46
10
1
1
15
95
329
671
790
411
178
56
11
1
1
16
110
424
1000
1461
1201
589
234
67
12
1
A026747
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
11
17
30
39
58
70
95
110
1
5
16
44
74
143
201
329
424
1
6
22
66
184
327
671
1000
1
7
29
95
279
790
1461
1
8
37
132
411
1201
1
9
46
178
589
1
10
56
234
1
11
67
1
12
1
A026747
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
11
17
30
39
58
70
95
110
1
5
16
44
74
143
201
329
424
1
6
22
66
184
327
671
1000
1
7
29
95
279
790
1461
1
8
37
132
411
1201
1
9
46
178
589
1
10
56
234
1
11
67
1
12
1
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Last modified May 20 11:46 EDT 2024. Contains 372712 sequences. (Running on oeis4.)
