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A145116 as a simple table

na(n)
01
12
24
38
416
532
664
7128
8256
9512
101023
112043
124079
138143
1416255
1532447
1664767
17129279
18258047
19515072
201028102
212052126
224096110
238175966
2416319486
2532574206
2665019134
27129780222
28259045373
29517062645
301032073165
312060050221
324111924477
338207529469

[1,2,4,8,16,32,64,128,256,512,1023,2043,4079,8143,
 16255,32447,64767,129279,258047,515072,1028102,
 2052126,4096110,8175966,16319486,32574206,
 65019134,129780222,259045373,517062645,1032073165,
 2060050221,4111924477,8207529469]