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A176686 as a simple table

na(n)
114
216
320
422
532
636
738
840
952
1054
1158
1266
1368
1470
1578
1684
1788
1890
1996
20110
21112
22114
23128
24130
25132
26140
27156
28158
29162
30178
31182
32200
33210
34212
35222
36234
37238
38250
39252
40258
41264
42268
43292
44294
45306
46308
47310
48318
49330
50336
51338
52354
53366
54372
55378
56380

[14,16,20,22,32,36,38,40,52,54,58,66,68,70,78,84,
 88,90,96,110,112,114,128,130,132,140,156,158,162,
 178,182,200,210,212,222,234,238,250,252,258,264,
 268,292,294,306,308,310,318,330,336,338,354,366,
 372,378,380]