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A105808 as a simple table

na(n)
22
33
44
56
68
722
823
944
1046
1148
1252
1353
1455
1557
1664
1772
1884
19222
20444
21452
22524
23644
24722
25723
26844
27852
282222
292244
304442
315444
326422
337444
348422
3522444
3644222
3752224
3864444

[2,3,4,6,8,22,23,44,46,48,52,53,55,57,64,72,84,
 222,444,452,524,644,722,723,844,852,2222,2244,
 4442,5444,6422,7444,8422,22444,44222,52224,64444]