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A241195 as a simple table

na(n)
11
22
32
43
55
63
72
83
911
107
1115
123
135
147
1523
1613
1729
1815
1933
2035
213
2213
2341
2411
253
265
2751
2853
293
307
317
3265
3317
3469
3537
3615
3713
383
3983
4043
4189
4215
4395
443
457
4633
4735
4837
49113
5019
5129
52119
5315
545
552
56131
5767
5815
5969
6035
61141
6273
6351
6431
6513
6679
6733
687
69173
7087
7111

[1,2,2,3,5,3,2,3,11,7,15,3,5,7,23,13,29,15,33,35,
 3,13,41,11,3,5,51,53,3,7,7,65,17,69,37,15,13,3,83,
 43,89,15,95,3,7,33,35,37,113,19,29,119,15,5,2,131,
 67,15,69,35,141,73,51,31,13,79,33,7,173,87,11]