152858domain: NAppears in sequencesExpansion of phi(x) / f(-x) in powers of x where phi(), f() are Ramanujan theta functions.at n=40A029552Number of fusenes with 23 hexagons, C_(2v) symmetry and containing n carbon atoms.at n=16A122097a(n) = 529*n^2 - 23.at n=16A158633