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A353889 as a simple table

na(n)
13
26
39
411
519
624
743
869
977
10123
11192
12261
13507
14699
151029
161536
172043
184101
195637
208187
2112288
2216389
2332763
2445051
2565541
2698304
27131067
28262149
29360453
30524283
31786432
321048581
332097147
342883579
354194309
366291456
378388603
3816777221
3923068677
4033554427

[3,6,9,11,19,24,43,69,77,123,192,261,507,699,1029,
 1536,2043,4101,5637,8187,12288,16389,32763,45051,
 65541,98304,131067,262149,360453,524283,786432,
 1048581,2097147,2883579,4194309,6291456,8388603,
 16777221,23068677,33554427]