Odd numbers of the form (m*k)^2/(m^2-k^2) for distinct integers m and k.

Terms

a(0) =147a(1) =225a(2) =405a(3) =1323a(4) =2025a(5) =3645a(6) =3675a(7) =4225a(8) =5625a(9) =7203a(10) =7623a(11) =10125a(12) =11025a(13) =11907a(14) =14415a(15) =17457a(16) =17787a(17) =18225a(18) =18513a(19) =19845a(20) =24375a(21) =24843a(22) =27225a(23) =30625a(24) =32805a(25) =33075a(26) =38025a(27) =42483a(28) =49005a(29) =50625