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A280616 as a simple table

na(n)
13
24
39
48
516
618
726
832
924
1036
1142
1244
1348
1466
1570
1660
1774
1872
1994
20106
2184
2290
23102
24112
25130
26108
27126
28114
29166
30160
31150
32144
33184
34218
35174
36208
37168
38220
39138
40222
41232
42204
43216
44262
45302
46268
47234
48252
49246
50240
51264
52276
53306
54270
55340
56318
57294
58312
59342
60336
61406
62330
63324

[3,4,9,8,16,18,26,32,24,36,42,44,48,66,70,60,74,
 72,94,106,84,90,102,112,130,108,126,114,166,160,
 150,144,184,218,174,208,168,220,138,222,232,204,
 216,262,302,268,234,252,246,240,264,276,306,270,
 340,318,294,312,342,336,406,330,324]