Perfect squares among 17-gonal numbers A051869(k) = k*(15*k - 13)/2.

A137878

Perfect squares among 17-gonal numbers A051869(k) = k*(15*k - 13)/2.

Terms

    a(0) =1a(1) =17689a(2) =378225a(3) =4109707449a(4) =87870152041

External references