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A033129 as a simple table

na(n)
00
11
23
36
413
527
654
7109
8219
9438
10877
111755
123510
137021
1414043
1528086
1656173
17112347
18224694
19449389
20898779
211797558
223595117
237190235
2414380470
2528760941
2657521883
27115043766
28230087533
29460175067
30920350134
311840700269

[0,1,3,6,13,27,54,109,219,438,877,1755,3510,7021,
 14043,28086,56173,112347,224694,449389,898779,
 1797558,3595117,7190235,14380470,28760941,
 57521883,115043766,230087533,460175067,920350134,
 1840700269]