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”).

A055629 as a simple table

na(n)
11
231
31880
47839
544488
67899999999999959999999996
77899999999999959999999996

[1,31,1880,7839,44488,7899999999999959999999996,
 7899999999999959999999996]