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A028398 as a simple table

na(n)
00
11
22
34
48
514
640
744
864
980
1082
11104
12136
13172
14184
15188
16242
17256
18274
19280
20296
21352
22368
23382
24386
25424
26472
27496
28526
29530
30608
31622
32638
33640
34652
35670
36688
37692
38712
39716
40752
41760
42782
43784
44800
45814
46824
47832
48860
49878
50904
51910
52932
53964
54980
551022

[0,1,2,4,8,14,40,44,64,80,82,104,136,172,184,188,
 242,256,274,280,296,352,368,382,386,424,472,496,
 526,530,608,622,638,640,652,670,688,692,712,716,
 752,760,782,784,800,814,824,832,860,878,904,910,
 932,964,980,1022]