Smallest a(n)>a(n-1) such that a(n)^2+a(n-1)^2 is a perfect square, a(1)=7.

Terms

a(0) =7a(1) =24a(2) =32a(3) =60a(4) =63a(5) =84a(6) =112a(7) =180a(8) =189a(9) =252a(10) =275a(11) =660a(12) =693a(13) =924a(14) =1232a(15) =1326a(16) =1768a(17) =1974a(18) =2632a(19) =4026a(20) =5368a(21) =6405a(22) =8200a(23) =8319a(24) =11092a(25) =11715a(26) =15620a(27) =16401a(28) =19720a(29) =20706