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A348840 as a simple table

na(n)
21
31
41
52
62
71
84
94
103
111
129
139
147
154
161
1721
1821
1917
2011
215
221
2351
2451
2542
2629
2716
286
291
30127
31127
32106
3376
3446
3522
367
371
38323
39323
40272
41200
42128
4369
4429
458
461
47835
48835
49708
50530
51352
52204
5399
5437
559
561
572188
582188
591865
601415
61965
62587
63311
64137
6546
6610
671
685798
695798
704963

[1,1,1,2,2,1,4,4,3,1,9,9,7,4,1,21,21,17,11,5,1,51,
 51,42,29,16,6,1,127,127,106,76,46,22,7,1,323,323,
 272,200,128,69,29,8,1,835,835,708,530,352,204,99,
 37,9,1,2188,2188,1865,1415,965,587,311,137,46,10,
 1,5798,5798,4963]