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A284669 as a simple table

na(n)
12
23
35
413
517
630
729
831
960
1059
1161
12120
13113
14127
15240
16239
17241
18480
19953
20967
211920
223833
233847
247680
2515359
2615361
2730720
2830713
2930727
3061440
31368633
32368647
33737280
34737279
35737281
361474560
3716220143
3816220177
3932440320
4032440319
4132440321
4264880640
43194641919

[2,3,5,13,17,30,29,31,60,59,61,120,113,127,240,
 239,241,480,953,967,1920,3833,3847,7680,15359,
 15361,30720,30713,30727,61440,368633,368647,
 737280,737279,737281,1474560,16220143,16220177,
 32440320,32440319,32440321,64880640,194641919]