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A239303 as a simple table

na(n)
11
23
31
46
51
65
76
89
91
1010
1112
1218
131
1417
1510
1612
1718
1833
191
2034
2120
2224
2336
2466
251
2665
2734
2820
2924
3036
3166
32129
331
34130
3568
3640
3748
3872
39132
40258
411
42257
43130
4468
4540
4648
4772
48132
49258
50513
511
52514
53260
54136
5580

[1,3,1,6,1,5,6,9,1,10,12,18,1,17,10,12,18,33,1,34,
 20,24,36,66,1,65,34,20,24,36,66,129,1,130,68,40,
 48,72,132,258,1,257,130,68,40,48,72,132,258,513,1,
 514,260,136,80]