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A002660 as a simple table

na(n)
11
25
310
417
516
632
722
841
937
1050
1134
1280
1340
1468
1570
1689
1752
18113
1958
20122
2194
22104
2370
24176
2591
26122
27118
28164
2988
30212
3194
32185
33142
34158
35142
36269
37112
38176
39166
40266
41124
42284
43130
44248
45232
46212
47142
48368
49169
50275
51214
52290
53160
54356
55214
56356
57238
58266
59178
60500
61184
62284
63310
64377
65250
66428
67202
68374
69286

[1,5,10,17,16,32,22,41,37,50,34,80,40,68,70,89,52,
 113,58,122,94,104,70,176,91,122,118,164,88,212,94,
 185,142,158,142,269,112,176,166,266,124,284,130,
 248,232,212,142,368,169,275,214,290,160,356,214,
 356,238,266,178,500,184,284,310,377,250,428,202,
 374,286]