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A281348 as a simple table

na(n)
11
22
31
45
52
61
716
88
92
101
1153
1226
138
142
151
16189
17100
1830
198
202
211
22694
23375
24115
2530
268
272
281
292642
301473
31453
32120
3330
348
352
361
3710270
385823
391827
40473
41120
4230
438
442
451
4640747
4723479
487432
491936
50479
51120
5230
538
542
551
56164033
5795618
5830622
597954
601961
61479
62120
6330
648
652
661

[1,2,1,5,2,1,16,8,2,1,53,26,8,2,1,189,100,30,8,2,
 1,694,375,115,30,8,2,1,2642,1473,453,120,30,8,2,1,
 10270,5823,1827,473,120,30,8,2,1,40747,23479,7432,
 1936,479,120,30,8,2,1,164033,95618,30622,7954,
 1961,479,120,30,8,2,1]