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A098011 as a simple table

na(n)
11
21
32
43
56
612
724
848
996
10192
11384
12768
131536
143072
156144
1612288
1724576
1849152
1998304
20196608
21393216
22786432
231572864
243145728
256291456
2612582912
2725165824
2850331648
29100663296
30201326592
31402653184
32805306368
331610612736
343221225472
356442450944
3612884901888

[1,1,2,3,6,12,24,48,96,192,384,768,1536,3072,6144,
 12288,24576,49152,98304,196608,393216,786432,
 1572864,3145728,6291456,12582912,25165824,
 50331648,100663296,201326592,402653184,805306368,
 1610612736,3221225472,6442450944,12884901888]