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A122624 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
101024
112049
124098
138195
1416388
1532773
1665542
17131079
18262152
19524297
202097152
214194305
228388610
2316777219
2433554436
2567108869
26134217734
27268435463
28536870920
291073741833
303221225472
316442450945
3212884901890
3325769803779
3451539607556

[1,2,3,4,5,6,7,8,9,1024,2049,4098,8195,16388,
 32773,65542,131079,262152,524297,2097152,4194305,
 8388610,16777219,33554436,67108869,134217734,
 268435463,536870920,1073741833,3221225472,
 6442450945,12884901890,25769803779,51539607556]