Number of ways of writing n as a sum of 10 squares.

Terms

a(0) =1a(1) =20a(2) =180a(3) =960a(4) =3380a(5) =8424a(6) =16320a(7) =28800a(8) =52020a(9) =88660a(10) =129064a(11) =175680a(12) =262080a(13) =386920a(14) =489600a(15) =600960a(16) =840500a(17) =1137960a(18) =1330420a(19) =1563840a(20) =2050344a(21) =2611200a(22) =2986560a(23) =3358080a(24) =4194240a(25) =5318268a(26) =5878440a(27) =6299520a(28) =7862400a(29) =9619560