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A011778 as a simple table

na(n)
12
26
312
424
536
640
745
848
960
1072
1180
1290
13120
14144
15180
16240
17360
18480
19630
20672
21720
221080
231120
241260
251344
261440
271890
282016
292160
302240
312520
322880
333024
343360
353780
364032
374320
385040
396048

[2,6,12,24,36,40,45,48,60,72,80,90,120,144,180,
 240,360,480,630,672,720,1080,1120,1260,1344,1440,
 1890,2016,2160,2240,2520,2880,3024,3360,3780,4032,
 4320,5040,6048]