Numbers of the form x^5-10x^3*y^2+5x*y^4 (where x,y are integers).

Terms

a(0) =41a(1) =122a(2) =316a(3) =404a(4) =1121a(5) =1312a(6) =1900a(7) =2868a(8) =2876a(9) =3647a(10) =3904a(11) =4282a(12) =5646a(13) =6121a(14) =9963a(15) =10112a(16) =11516a(17) =12928a(18) =13412a(19) =14050a(20) =17684a(21) =19841a(22) =20122a(23) =23028a(24) =23807a(25) =25525a(26) =27688a(27) =29646a(28) =30609a(29) =31996