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A234590 as a simple table

na(n)
01
12
24
38
416
532
664
7128
8256
9511
101020
112036
124064
138112
1416192
1532320
1664513
17128773
18257041
19513074
201024136
212044256
224080496
238144991
2416258042
2532452329
2664777398
27129300775
28258094504
29515176904
301028333569
312052634583
324097219870
338178372713

[1,2,4,8,16,32,64,128,256,511,1020,2036,4064,8112,
 16192,32320,64513,128773,257041,513074,1024136,
 2044256,4080496,8144991,16258042,32452329,
 64777398,129300775,258094504,515176904,1028333569,
 2052634583,4097219870,8178372713]