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A008866 as a simple table

na(n)
11
28
32
418
52
630
72
842
96
1060
116
1278
132
1490
156
16112
172
18128
194
20144
216
22162
236
24186
254
26204
274
28216
294
30240
314
32268
332
34288
352
36308
376
38330
396
40352
412
42372
432
44390
452
46410
4712
48450
492
50462
516
52480
5310
54508
556
56532

[1,8,2,18,2,30,2,42,6,60,6,78,2,90,6,112,2,128,4,
 144,6,162,6,186,4,204,4,216,4,240,4,268,2,288,2,
 308,6,330,6,352,2,372,2,390,2,410,12,450,2,462,6,
 480,10,508,6,532]