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”).

A013788 as a simple table

na(n)
08
132768
2134217728
3549755813888
42251799813685248
59223372036854775808
637778931862957161709568
7154742504910672534362390528
8633825300114114700748351602688
92596148429267413814265248164610048
1010633823966279326983230456482242756608

[8,32768,134217728,549755813888,2251799813685248,
 9223372036854775808,37778931862957161709568,
 154742504910672534362390528,
 633825300114114700748351602688,
 2596148429267413814265248164610048,
 10633823966279326983230456482242756608]