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A064987 as a simple table

na(n)
11
26
312
428
530
672
756
8120
9117
10180
11132
12336
13182
14336
15360
16496
17306
18702
19380
20840
21672
22792
23552
241440
25775
261092
271080
281568
29870
302160
31992
322016
331584
341836
351680
363276
371406
382280
392184
403600
411722
424032
431892
443696
453510
463312
472256
485952

[1,6,12,28,30,72,56,120,117,180,132,336,182,336,
 360,496,306,702,380,840,672,792,552,1440,775,1092,
 1080,1568,870,2160,992,2016,1584,1836,1680,3276,
 1406,2280,2184,3600,1722,4032,1892,3696,3510,3312,
 2256,5952]