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A004911 as a simple table

na(n)
10
21
32
43
54
65
72048
82049
92050
102051
112052
124096
134097
144098
154099
166144
176145
186146
198192
208193
2110240
22177147
23177148
24177149
25177150
26177151
27179195
28179196
29179197
30179198
31181243
32181244
33181245
34183291
35183292
36185339
37354294
38354295
39354296
40354297

[0,1,2,3,4,5,2048,2049,2050,2051,2052,4096,4097,
 4098,4099,6144,6145,6146,8192,8193,10240,177147,
 177148,177149,177150,177151,179195,179196,179197,
 179198,181243,181244,181245,183291,183292,185339,
 354294,354295,354296,354297]