Sum of 9th powers.

Terms

a(0) =0a(1) =1a(2) =513a(3) =20196a(4) =282340a(5) =2235465a(6) =12313161a(7) =52666768a(8) =186884496a(9) =574304985a(10) =1574304985a(11) =3932252676a(12) =9092033028a(13) =19696532401a(14) =40357579185a(15) =78800938560a(16) =147520415296a(17) =266108291793a(18) =464467582161a(19) =787155279940