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”).

A166784 as a simple table

na(n)
10
2420
310540
493645
5523316
62216887
77776832
823747742

[0,420,10540,93645,523316,2216887,7776832,
 23747742]