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A290301 as a simple table

na(n)
01
12
24
38
416
532
696
7192
8288
9576
101024
112048
124608
139216
1418432
1536864
16110080
17220160
18299008
19598016
201196032
212392064
226881280
2313762560
2424379392
2548758784
26102105088
27204210176
28274202624
29548405248
301700790272
313401580544
324388159488
338776318976

[1,2,4,8,16,32,96,192,288,576,1024,2048,4608,9216,
 18432,36864,110080,220160,299008,598016,1196032,
 2392064,6881280,13762560,24379392,48758784,
 102105088,204210176,274202624,548405248,
 1700790272,3401580544,4388159488,8776318976]