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A277631 as a simple table

na(n)
01
12
21
32
43
56
69
718
829
951
1082
11135
12205
13315
14458
15662
16925
171281
181724
192305
203014
213911
224992
236326
247905
259820
2612059
2714724
2817811
2921435
3025586
3130408
3235885
3342175
3449273
3557352
3666401
3776627
3888012
39100781
40114928
41130697
42148074
43167343
44188483
45211798
46237282
47265260
48295717
49329025
50365160

[1,2,1,2,3,6,9,18,29,51,82,135,205,315,458,662,
 925,1281,1724,2305,3014,3911,4992,6326,7905,9820,
 12059,14724,17811,21435,25586,30408,35885,42175,
 49273,57352,66401,76627,88012,100781,114928,
 130697,148074,167343,188483,211798,237282,265260,
 295717,329025,365160]