Sum of next n 5th powers.

Terms

a(0) =1a(1) =275a(2) =11925a(3) =208624a(4) =2078375a(5) =14118201a(6) =72758875a(7) =304553600a(8) =1084203549a(9) =3390961375a(10) =9540835601a(11) =24582546000a(12) =58801331875a(13) =131987718149a(14) =280410672375a(15) =567799960576