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A002447 as a simple table

na(n)
01
10
22
33
44
512
617
736
870
9123
10248
11456
12865
131656
143098
155907
1611164
1721108
1840049
1975708
20143422
21271563
22513968
23973392
241842625
253488688
266605426
2712505251
2823676916
2944826780
3084869585
31160684308

[1,0,2,3,4,12,17,36,70,123,248,456,865,1656,3098,
 5907,11164,21108,40049,75708,143422,271563,513968,
 973392,1842625,3488688,6605426,12505251,23676916,
 44826780,84869585,160684308]