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”).

A350415 as a simple table

na(n)
11
21
33
416
5164
63341
7138101
811578037
91961162564
10668678055847
11457751797355605
12628137837068751147
131726130748679532455689
149493834992383031007906911
15104476428350838383854529661007
162299979227717819421763629684068904

[1,1,3,16,164,3341,138101,11578037,1961162564,
 668678055847,457751797355605,628137837068751147,
 1726130748679532455689,9493834992383031007906911,
 104476428350838383854529661007,
 2299979227717819421763629684068904]