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”).

A369491 as a simple table

na(n)
01
12
24
310
422
546
694
7190
8382
9766
101534
113070
126142
1312286
1424574
1549150
1698302
17196606
18393214
19786430
201572862
213145726
226291454
2312582910
2425165822
2550331646
26100663294
27201326590
28402653182
29805306366
301610612734
313221225470
326442450942
3312884901886
3425769803774

[1,2,4,10,22,46,94,190,382,766,1534,3070,6142,
 12286,24574,49150,98302,196606,393214,786430,
 1572862,3145726,6291454,12582910,25165822,
 50331646,100663294,201326590,402653182,805306366,
 1610612734,3221225470,6442450942,12884901886,
 25769803774]