Squares of the form prime(k)*prime(k+1) + 2*prime(k+1).

Terms

a(0) =25a(1) =49a(2) =169a(3) =361a(4) =961a(5) =1849a(6) =3721a(7) =5329a(8) =10609a(9) =11881a(10) =19321a(11) =22801a(12) =32761a(13) =37249a(14) =39601a(15) =52441a(16) =58081a(17) =73441a(18) =80089a(19) =97969a(20) =121801a(21) =177241a(22) =187489a(23) =214369a(24) =273529a(25) =326041a(26) =361201a(27) =383161a(28) =413449a(29) =436921