Sum of next n 4th powers.

Terms

a(0) =1a(1) =97a(2) =2177a(3) =23058a(4) =152979a(5) =738835a(6) =2839571a(7) =9191876a(8) =26037717a(9) =66301333a(10) =154762069a(11) =336050870a(12) =686502375a(13) =1331121351a(14) =2467171687a(15) =4396168328a(16) =7566347369a(17) =12628007049a(18) =20504452585a(19) =32481640666a(20) =50320004987a(21) =76392352443a(22) =113852150523a(23) =166836980044a(24) =240712403645