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A018155 as a simple table

na(n)
01
12
23
35
49
514
624
741
869
9116
10196
11333
12564
13955
141619
152744
164652
177886
1813368
1922662
2038416
2165124
22110399
23187150
24317260
25537824
26911730
271545580
282620095
294441633
307529536
3112764207
3221638116

[1,2,3,5,9,14,24,41,69,116,196,333,564,955,1619,
 2744,4652,7886,13368,22662,38416,65124,110399,
 187150,317260,537824,911730,1545580,2620095,
 4441633,7529536,12764207,21638116]