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”).

A197243 as a simple table

na(n)
11
24
33
4275
55062
6405065
748703999
811304892092
99455531359836
1013086658688226332

[1,4,3,275,5062,405065,48703999,11304892092,
 9455531359836,13086658688226332]