a(n) = number of solutions to the Diophantine equation x+y^2+z^3=n^4 with positive x,y,z all distinct.

A121984

a(n) = number of solutions to the Diophantine equation x+y^2+z^3=n^4 with positive x,y,z all distinct.

Terms

    a(0) =0a(1) =3a(2) =23a(3) =69a(4) =155a(5) =293a(6) =508a(7) =799a(8) =1205a(9) =1732a(10) =2395a(11) =3218a(12) =4216a(13) =5412a(14) =6821a(15) =8502a(16) =10416a(17) =12629a(18) =15137a(19) =17996a(20) =21173a(21) =24768a(22) =28755a(23) =33164a(24) =38020a(25) =43341a(26) =49162a(27) =55550a(28) =62485a(29) =70004

External references