login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A339073 as a simple table

na(n)
11
22
34
48
516
632
764
8128
9256
10512
111023
122045
134088
148172
1516336
1632656
1765280
18130496
19260864
20521473
211042434
222083846
234165649
248327214
2516646264
2633276208
2766519792
28132974368
29265818368
30531376129
311062231296
322123421181
334244760561
348485359561
3516962400080
3633908170232
3767783096912

[1,2,4,8,16,32,64,128,256,512,1023,2045,4088,8172,
 16336,32656,65280,130496,260864,521473,1042434,
 2083846,4165649,8327214,16646264,33276208,
 66519792,132974368,265818368,531376129,1062231296,
 2123421181,4244760561,8485359561,16962400080,
 33908170232,67783096912]