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A301407 as a simple table

na(n)
11
22
32
44
58
64
78
832
932
108
1116
12128
13252
14128
1516
1632
17512
181988
191988
20512
2132
2264
232048
2415680
2531012
2615680
272048
2864
29128
308192
31123676
32483600
33483600
34123676
358192
36128
37256
3832768
39975492
407541492
4114905344
427541492
43975492
4432768
45256
46512
47131072

[1,2,2,4,8,4,8,32,32,8,16,128,252,128,16,32,512,
 1988,1988,512,32,64,2048,15680,31012,15680,2048,
 64,128,8192,123676,483600,483600,123676,8192,128,
 256,32768,975492,7541492,14905344,7541492,975492,
 32768,256,512,131072]