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A087628 as a simple table

na(n)
01
12
22
32
410
522
622
786
8170
9170
10682
111366
121366
135462
1410922
1510922
1643690
1787382
1887382
19349526
20699050
21699050
222796202
235592406
245592406
2522369622
2644739242
2744739242
28178956970
29357913942
30357913942
311431655766
322863311530

[1,2,2,2,10,22,22,86,170,170,682,1366,1366,5462,
 10922,10922,43690,87382,87382,349526,699050,
 699050,2796202,5592406,5592406,22369622,44739242,
 44739242,178956970,357913942,357913942,1431655766,
 2863311530]