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A277781 as a simple table

na(n)
18
24
39
416
525
636
749
827
924
1080
1188
1218
13104
14112
15120
1632
17136
1896
19152
2050
21168
22176
23184
2472
2540
26208
2764
2898
29232
30240
31248
3254
33264
34272
35280
3648
37296
38304
39312
40135
41328
42336
43344
44242
4575
46368
47376
48162
4956
50160
51408
52338
53424
54108
55440
56189
57456

[8,4,9,16,25,36,49,27,24,80,88,18,104,112,120,32,
 136,96,152,50,168,176,184,72,40,208,64,98,232,240,
 248,54,264,272,280,48,296,304,312,135,328,336,344,
 242,75,368,376,162,56,160,408,338,424,108,440,189,
 456]