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

Terms

a(0) =0a(1) =5a(2) =27a(3) =75a(4) =163a(5) =303a(6) =521a(7) =815a(8) =1223a(9) =1753a(10) =2419a(11) =3245a(12) =4246a(13) =5445a(14) =6857a(15) =8541a(16) =10459a(17) =12675a(18) =15187a(19) =18049a(20) =21230a(21) =24829a(22) =28820a(23) =33232a(24) =38092a(25) =43417a(26) =49243a(27) =55634a(28) =62573a(29) =70096