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A356489 as a simple table

na(n)
11
21
31
43
55
63
71
83
911
107
1115
123
135
1421
1523
1613
1729
1815
1933
2035
213
2239
2341
2411
253
265
2751
2853
293
307
3121
3265
3317
3469
3537
3615
3739
383
3983
4043
4189
4215
4395
443
457
4633
47105
48111
49113
5057
5129
52119
5315
545
551
56131
5767
5815
5969
6035
61141
6273
6351
64155
6539
6679
67165
6821
69173
7087
7111
72179

[1,1,1,3,5,3,1,3,11,7,15,3,5,21,23,13,29,15,33,35,
 3,39,41,11,3,5,51,53,3,7,21,65,17,69,37,15,39,3,
 83,43,89,15,95,3,7,33,105,111,113,57,29,119,15,5,
 1,131,67,15,69,35,141,73,51,155,39,79,165,21,173,
 87,11,179]