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A117891 as a simple table

na(n)
12
24
36
410
512
616
718
824
936
1040
1142
1248
1355
1460
1580
1684
17108
18110
19120
20126
21132
22144
23156
24172
25180
26184
27192
28204
29212
30216
31222
32228
33232
34240
35246
36252
37256
38276
39300
40318
41324
42336
43340
44360
45366
46378
47414
48420
49438
50440
51444
52460
53462
54474
55480
56486

[2,4,6,10,12,16,18,24,36,40,42,48,55,60,80,84,108,
 110,120,126,132,144,156,172,180,184,192,204,212,
 216,222,228,232,240,246,252,256,276,300,318,324,
 336,340,360,366,378,414,420,438,440,444,460,462,
 474,480,486]