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”).

A223540 as a simple table

na(n)
01
12
23
34
48
56
68
712
811
913
1016
1132
1264
13128
1424
1532
1648
17128
18192
1944
2052
2164
22128
2396
24176
2575
26141
27103
28128
29192
30176
31208
32141
33198
34185
35222
36256
37512
381024
392048
404096
418192
4216384
4332768
44384
45512
46768
472048
483072
498192
5012288

[1,2,3,4,8,6,8,12,11,13,16,32,64,128,24,32,48,128,
 192,44,52,64,128,96,176,75,141,103,128,192,176,
 208,141,198,185,222,256,512,1024,2048,4096,8192,
 16384,32768,384,512,768,2048,3072,8192,12288]