Third partial sums of ninth powers (A001017).

Terms

a(0) =1a(1) =515a(2) =21225a(3) =324275a(4) =2862790a(5) =17714466a(6) =85232910a(7) =339635850a(8) =1168343775a(9) =3571356685a(10) =9906622271a(11) =25333920885a(12) =60457751900a(13) =135939162100a(14) =290221510860a(15) =592024274916