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A228994 as a simple table

na(n)
00
11
218
3152
41110
58254
666050
7578466
85557246
958381646
10667481754
118262618730
12110195259446
131576108225446
1424075493095346
15391282065519074
166742907753730030
17122830141805635966
182358555332361509066
1947617194132209848026
201008436738991020480294

[0,1,18,152,1110,8254,66050,578466,5557246,
 58381646,667481754,8262618730,110195259446,
 1576108225446,24075493095346,391282065519074,
 6742907753730030,122830141805635966,
 2358555332361509066,47617194132209848026,
 1008436738991020480294]