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A284440 as a simple table

na(n)
11
221
391
465
5451
6217
72059
81665
94699
102101
1124564
121729
1374023
149017
1513051
164097
1760691
185833
19278693
2020801
21142003
2210649
2347611
2454145
25116251
2647321
2719684
2821953
29338083
3054901
31501643
3253505
33141571
34219641
35169051
3680353
37386059
38515509
39453259
4016401

[1,21,91,65,451,217,2059,1665,4699,2101,24564,
 1729,74023,9017,13051,4097,60691,5833,278693,
 20801,142003,10649,47611,54145,116251,47321,19684,
 21953,338083,54901,501643,53505,141571,219641,
 169051,80353,386059,515509,453259,16401]