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A299307 as a simple table

na(n)
10
21
31
41
54
61
72
818
918
102
113
1252
1356
1452
153
165
17174
18223
19223
20174
215
228
23604
24849
251024
26849
27604
288
2913
302048
313387
325360
335360
343387
352048
3613
3721
386948
3913075
4028374
4155390
4228374
4313075
446948
4521
4634
4723652
4851006
49144040
50482418
51482418
52144040
5351006

[0,1,1,1,4,1,2,18,18,2,3,52,56,52,3,5,174,223,223,
 174,5,8,604,849,1024,849,604,8,13,2048,3387,5360,
 5360,3387,2048,13,21,6948,13075,28374,55390,28374,
 13075,6948,21,34,23652,51006,144040,482418,482418,
 144040,51006]