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A257255 as a simple table

na(n)
11
22
32
42
56
612
72
86
920
1018
112
126
1322
1430
1532
162
176
1820
1934
2052
2140
222
236
2422
2530
2650
2762
2864
292
306
3120
3232
3352
3464
3592
3684
372
386
3922
4030
4154
4262
43100
44116
45108
462
476
4820
4934
5048
5172
5292
53120
54156
55124
562
576
5822
5930
6050
6164
62102
63120
64152
65168
66138
672
686
6920
7032
7152
7262
7396
74124
75156
76168
77206
78170

[1,2,2,2,6,12,2,6,20,18,2,6,22,30,32,2,6,20,34,52,
 40,2,6,22,30,50,62,64,2,6,20,32,52,64,92,84,2,6,
 22,30,54,62,100,116,108,2,6,20,34,48,72,92,120,
 156,124,2,6,22,30,50,64,102,120,152,168,138,2,6,
 20,32,52,62,96,124,156,168,206,170]