Numbers of the form x^4 + y*x^3 + y^2*x^2 + y^3*x + y^4, where x and y are positive integers.

Terms

a(0) =5a(1) =31a(2) =80a(3) =121a(4) =211a(5) =341a(6) =405a(7) =496a(8) =781a(9) =1031a(10) =1280a(11) =1441a(12) =1555a(13) =1936a(14) =2101a(15) =2511a(16) =2801a(17) =3125a(18) =3355a(19) =3376a(20) =4141a(21) =4651a(22) =4681a(23) =5261a(24) =5456a(25) =6480a(26) =6505a(27) =6841a(28) =7381a(29) =7936