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A354569 as a simple table

na(n)
120
220
340
440
552
652
768
868
980
1080
11100
12100
13104
14104
15116
16116
17136
18136
19148
20148
21160
22160
23164
24164
25200
26200
27208
28208
29212
30212
31232
32232
33244
34244
35260
36260
37260
38260
39272
40272
41292
42292
43296
44296
45320
46320
47328
48328
49340
50340
51340
52340
53356
54356

[20,20,40,40,52,52,68,68,80,80,100,100,104,104,
 116,116,136,136,148,148,160,160,164,164,200,200,
 208,208,212,212,232,232,244,244,260,260,260,260,
 272,272,292,292,296,296,320,320,328,328,340,340,
 340,340,356,356]