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A217250 as a simple table

na(n)
11
23
35
47
59
69
711
89
99
1011
1113
1213
1315
1415
1515
1611
1713
1813
1915
2015
2117
2217
2319
2415
2513
2615
2711
2813
2915
3017
3119
3213
3315
3417
3519
3613
3715
3817
3919
4019
4121
4221
4323
4421
4519
4621
4723
4817
4915
5017
5119
5219
5321
5415
5517
5617
5719
5819
5921
6021
6123
6223
6321
6413
6515
6617
6719

[1,3,5,7,9,9,11,9,9,11,13,13,15,15,15,11,13,13,15,
 15,17,17,19,15,13,15,11,13,15,17,19,13,15,17,19,
 13,15,17,19,19,21,21,23,21,19,21,23,17,15,17,19,
 19,21,15,17,17,19,19,21,21,23,23,21,13,15,17,19]