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A104000 as a simple table

na(n)
12
24
32
46
512
62
78
830
928
102
1110
1256
13126
1484
152
1612
1790
18344
19630
20244
212
2214
23132
24730
252408
263126
27732
282
2916
30182
311332
326570
3316808
3415630
352188
362
3718
38240
392198
4014652
4159050
42117656
4378126
446564
452
4620
47306
483376
4928574
50161052
51531450

[2,4,2,6,12,2,8,30,28,2,10,56,126,84,2,12,90,344,
 630,244,2,14,132,730,2408,3126,732,2,16,182,1332,
 6570,16808,15630,2188,2,18,240,2198,14652,59050,
 117656,78126,6564,2,20,306,3376,28574,161052,
 531450]