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”).

A226700 as a simple table

na(n)
00
11
21523
32319528
43532639621
55380207823255
68194052982177744
712479537311648880857
819006327131588263367467
928946623741871613459771384
1044085688952543335710968450365
1167142475328099758416191490134511

[0,1,1523,2319528,3532639621,5380207823255,
 8194052982177744,12479537311648880857,
 19006327131588263367467,
 28946623741871613459771384,
 44085688952543335710968450365,
 67142475328099758416191490134511]