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”).

A186969 as a simple table

na(n)
13
25
35
44259
525409
625409
7512819
8512819
917733438029
101095010766849
11766405913232959

[3,5,5,4259,25409,25409,512819,512819,17733438029,
 1095010766849,766405913232959]