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A066664 as a simple table

na(n)
14
26
38
410
512
614
718
822
924
1026
1134
1238
1346
1458
1560
1662
1774
1882
1986
2094
21106
22118
23122
24134
25142
26146
27158
28166
29178
30194
31202
32206
33214
34218
35226
36254
37262
38274
39278
40298
41302
42314
43326
44334
45346
46358
47362
48382
49386
50394
51398
52422
53446
54454
55458
56466
57478

[4,6,8,10,12,14,18,22,24,26,34,38,46,58,60,62,74,
 82,86,94,106,118,122,134,142,146,158,166,178,194,
 202,206,214,218,226,254,262,274,278,298,302,314,
 326,334,346,358,362,382,386,394,398,422,446,454,
 458,466,478]