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A318747 as a simple table

na(n)
11
21
31
41
52
61
73
82
93
105
115
128
137
1412
1514
1620
1731
1837
1951
2064
2196
22129
23177
24246
25328
26465
27630
28889
291230
301692
312370
323250
334587
346354
358895
3612384
3717252
3824180
3933777
4047336
4166254
4292752
43130142
44182337
45256246
46359500
47505231
48709787
49997951
501403883

[1,1,1,1,2,1,3,2,3,5,5,8,7,12,14,20,31,37,51,64,
 96,129,177,246,328,465,630,889,1230,1692,2370,
 3250,4587,6354,8895,12384,17252,24180,33777,47336,
 66254,92752,130142,182337,256246,359500,505231,
 709787,997951,1403883]