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A339509 as a simple table

na(n)
01
12
23
34
46
57
69
710
814
918
1020
1121
1229
1330
1432
1536
1644
1745
1861
1962
2070
2174
2276
2377
24109
25125
26127
27191
28199
29200
30232
31233
32249
33253
34255
35271
36399
37400
38402
39406
40470
41471
42503
43504
44512
45640
46642
47643
48899
49963
501219
511223
521231
531232
541744
551760
561888

[1,2,3,4,6,7,9,10,14,18,20,21,29,30,32,36,44,45,
 61,62,70,74,76,77,109,125,127,191,199,200,232,233,
 249,253,255,271,399,400,402,406,470,471,503,504,
 512,640,642,643,899,963,1219,1223,1231,1232,1744,
 1760,1888]