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A300215 as a simple table

na(n)
11
22
32
44
58
64
78
832
932
108
1116
12128
13228
14128
1516
1632
17512
181651
191651
20512
2132
2264
232048
2411965
2522194
2611965
272048
2864
29128
308192
3186775
32298600
33298600
3486775
358192
36128
37256
3832768
39629440
404023881
417452385
424023881
43629440
4432768
45256
46512
47131072

[1,2,2,4,8,4,8,32,32,8,16,128,228,128,16,32,512,
 1651,1651,512,32,64,2048,11965,22194,11965,2048,
 64,128,8192,86775,298600,298600,86775,8192,128,
 256,32768,629440,4023881,7452385,4023881,629440,
 32768,256,512,131072]