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A209749
as a triangular array
1
1
2
2
4
3
2
8
9
4
3
11
21
17
5
3
17
37
47
29
6
4
21
63
101
95
46
7
4
29
93
193
241
178
69
8
5
34
138
329
519
522
314
99
9
5
44
186
533
999
1264
1050
527
137
10
6
50
255
805
1776
2710
2845
1991
848
A209749
as a square array
1
1
2
2
3
3
4
4
5
5
6
2
4
8
11
17
21
29
34
44
50
3
9
21
37
63
93
138
186
255
4
17
47
101
193
329
533
805
5
29
95
241
519
999
1776
6
46
178
522
1264
2710
7
69
314
1050
2845
8
99
527
1991
9
137
848
10
A209749
as an upper right triangle
1
1
2
2
3
3
4
4
5
5
6
2
4
8
11
17
21
29
34
44
50
3
9
21
37
63
93
138
186
255
4
17
47
101
193
329
533
805
5
29
95
241
519
999
1776
6
46
178
522
1264
2710
7
69
314
1050
2845
8
99
527
1991
9
137
848
10
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Last modified June 3 12:27 EDT 2024. Contains 373060 sequences. (Running on oeis4.)