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A054150 as a simple table

na(n)
01
11
22
34
47
513
622
740
873
9132
10245
11458
12864
131638
143123
155979
1611484
1722140
1842773
1982865
20160809
21312659
22608857
231187323
242318344
254531879
268867913
2717369053
2834048772
2966799240
30131146379
31257651913
32506503984
33996288321

[1,1,2,4,7,13,22,40,73,132,245,458,864,1638,3123,
 5979,11484,22140,42773,82865,160809,312659,608857,
 1187323,2318344,4531879,8867913,17369053,34048772,
 66799240,131146379,257651913,506503984,996288321]