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A045639 as a simple table

na(n)
14
28
344
488
5212
6232
7252
8272
9292
10404
11424
12444
13464
14484
15616
16636
17656
18676
19696
20808
21828
22848
23868
24888
252112
262332
272552
282772
292992
304004
314224
324444
334664
344884
356116
366336
376556
386776
396996
408008
418228
428448
438668
448888
4521012
4621112
4721212

[4,8,44,88,212,232,252,272,292,404,424,444,464,
 484,616,636,656,676,696,808,828,848,868,888,2112,
 2332,2552,2772,2992,4004,4224,4444,4664,4884,6116,
 6336,6556,6776,6996,8008,8228,8448,8668,8888,
 21012,21112,21212]