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A128982 as a simple table

na(n)
11
21
32
42
54
62
76
82
96
106
1110
122
1312
142
156
168
1716
182
1918
202
2116
2218
2322
242
2522
2612
2716
288
2928
302
3130
322
3328
3418
3522
3612
3736
382
396
408
4140
422
4342
442
4530
4642
4746
482
4942
5014
5140
5230
5352
542
5536
5624
5752
5854
5958
602
6160
622
636
6430
6548
6624
6766
682
6930
7018
7170
722
7372
742
756
7620
7760
7818
7978
802
8172
8278

[1,1,2,2,4,2,6,2,6,6,10,2,12,2,6,8,16,2,18,2,16,
 18,22,2,22,12,16,8,28,2,30,2,28,18,22,12,36,2,6,8,
 40,2,42,2,30,42,46,2,42,14,40,30,52,2,36,24,52,54,
 58,2,60,2,6,30,48,24,66,2,30,18,70,2,72,2,6,20,60,
 18,78,2,72,78]