Seventh partial sums of fifth powers (A000584).

Terms

a(0) =1a(1) =39a(2) =495a(3) =3705a(4) =19995a(5) =85917a(6) =311493a(7) =989235a(8) =2823990a(9) =7383610a(10) =17931498a(11) =40889862a(12) =88304970a(13) =181852230a(14) =359140470a(15) =683363994a(16) =1257722271a(17) =2246496825a(18) =3905261425a(19) =6623425575a(20) =10983195405a(21) =17840105595a(22) =28431558675a(23) =44521334325a(24) =68589834300a(25) =104081944356